Pith Number

pith:SDJVTHXR

pith:2021:SDJVTHXRHQT5S4M3HMC7NNAMEE

not attested not anchored not stored refs pending

HODOR: High-level Object Descriptors for Object Re-segmentation in Video Learned from Static Images

Alexander Hermans, Ali Athar, Bastian Leibe, Deva Ramanan, Jonathon Luiten

arxiv:2112.09131 v2 · 2021-12-16 · cs.CV · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDJVTHXRHQT5S4M3HMC7NNAMEE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T05:18:00.825214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90d3599ef13c27d9719b3b05f6b40c212f8e64323519db9ead6c96d82f5f816d

Aliases

arxiv: 2112.09131 · arxiv_version: 2112.09131v2 · doi: 10.48550/arxiv.2112.09131 · pith_short_12: SDJVTHXRHQT5 · pith_short_16: SDJVTHXRHQT5S4M3 · pith_short_8: SDJVTHXR

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/SDJVTHXRHQT5S4M3HMC7NNAMEE \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 90d3599ef13c27d9719b3b05f6b40c212f8e64323519db9ead6c96d82f5f816d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6bfddca1904ec9d40dcdc62e08911f042528e88e90b8b5af2e5688304c13466",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-16T18:59:53Z",
    "title_canon_sha256": "af791e1ea3a67fc6a8e90f49e9ded08e384941d6170fe67955a1d06785bc5a7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.09131",
    "kind": "arxiv",
    "version": 2
  }
}