Pith Number

pith:FMD3UOTI

pith:2014:FMD3UOTIHGDXEMZ6XHCSQIKU75

not attested not anchored not stored refs pending

The Cheshire Cap

Emil J. Martinec

arxiv:1409.6017 v2 · 2014-09-21 · hep-th · 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{FMD3UOTIHGDXEMZ6XHCSQIKU75}

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	2026-05-18T01:34:05.546528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b07ba3a68398772333eb9c5282154ff7ade29aacd9686ec0b5399761087644f

Aliases

arxiv: 1409.6017 · arxiv_version: 1409.6017v2 · doi: 10.48550/arxiv.1409.6017 · pith_short_12: FMD3UOTIHGDX · pith_short_16: FMD3UOTIHGDXEMZ6 · pith_short_8: FMD3UOTI

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/FMD3UOTIHGDXEMZ6XHCSQIKU75 \
  | 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: 2b07ba3a68398772333eb9c5282154ff7ade29aacd9686ec0b5399761087644f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "951a74af7f7812d55fb0dd6d1c2a0171bcc0e732ef674a25dedb8274be7c2ddb",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-09-21T17:16:46Z",
    "title_canon_sha256": "f42ff880749361bad8d976b45085554e2f0494239d98b113fd5b719963b1673a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6017",
    "kind": "arxiv",
    "version": 2
  }
}