Pith Number

pith:U22YJUVK

pith:2012:U22YJUVKSX423Q2LNN2ZG7CANR

not attested not anchored not stored refs pending

Not on but of

Olaf Dreyer

arxiv:1212.0371 v1 · 2012-12-03 · 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{U22YJUVKSX423Q2LNN2ZG7CANR}

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	2026-05-18T03:39:17.722999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6b584d2aa95f9adc34b6b75937c406c62b57b2d991abe915c1785add3233225

Aliases

arxiv: 1212.0371 · arxiv_version: 1212.0371v1 · doi: 10.48550/arxiv.1212.0371 · pith_short_12: U22YJUVKSX42 · pith_short_16: U22YJUVKSX423Q2L · pith_short_8: U22YJUVK

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/U22YJUVKSX423Q2LNN2ZG7CANR \
  | 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: a6b584d2aa95f9adc34b6b75937c406c62b57b2d991abe915c1785add3233225

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbf5592081305d57ca18ff53f130412e8937865f86370bd56b8e99a5ab37569c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-12-03T12:59:44Z",
    "title_canon_sha256": "67b7ba5a81eeef7c9c6d4ebab741d42f427d40ef8c8927ed0b021a0c92cc5fde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0371",
    "kind": "arxiv",
    "version": 1
  }
}