Pith Number

pith:MS2A6ASH

pith:2021:MS2A6ASHFVCWJ6ZXFN5N5DTDL3

not attested not anchored not stored refs pending

Method of distinguishing between black holes and wormholes

Jun Tao, Tong-Jie Zhang, Wei Hong

arxiv:2111.14749 v2 · 2021-11-25 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MS2A6ASHFVCWJ6ZXFN5N5DTDL3}

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	2026-07-05T03:48:09.692547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64b40f02472d4564fb372b7ade8e635ef2818d08dc5b3dc432ca82f456d450d2

Aliases

arxiv: 2111.14749 · arxiv_version: 2111.14749v2 · doi: 10.48550/arxiv.2111.14749 · pith_short_12: MS2A6ASHFVCW · pith_short_16: MS2A6ASHFVCWJ6ZX · pith_short_8: MS2A6ASH

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/MS2A6ASHFVCWJ6ZXFN5N5DTDL3 \
  | 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: 64b40f02472d4564fb372b7ade8e635ef2818d08dc5b3dc432ca82f456d450d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f24df556790185cc7b6be9e1292a465c8e9eb3e4eeb8d36150e84d65cdd0a084",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-11-25T05:00:53Z",
    "title_canon_sha256": "08982bc321fb6288aaa1b0d5ffa995cd56fe18c5ceb1836575af6df163533b9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.14749",
    "kind": "arxiv",
    "version": 2
  }
}