Pith Number

pith:5ZCPPZQB

pith:2012:5ZCPPZQB52CFIB5DHASNJJ76MT

not attested not anchored not stored refs pending

The nature of the present

Gustavo E. Romero

arxiv:1205.0803 v1 · 2012-05-03 · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ZCPPZQB52CFIB5DHASNJJ76MT}

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	2026-05-18T03:56:23.871294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee44f7e601ee845407a33824d4a7fe64f5794322961d11a28bdae3bbe2f54974

Aliases

arxiv: 1205.0803 · arxiv_version: 1205.0803v1 · doi: 10.48550/arxiv.1205.0803 · pith_short_12: 5ZCPPZQB52CF · pith_short_16: 5ZCPPZQB52CFIB5D · pith_short_8: 5ZCPPZQB

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/5ZCPPZQB52CFIB5DHASNJJ76MT \
  | 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: ee44f7e601ee845407a33824d4a7fe64f5794322961d11a28bdae3bbe2f54974

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45d63a19f65281ed8ebd2dc82a1447ad3bf0b613469fb6576f759ba97374514d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2012-05-03T02:57:07Z",
    "title_canon_sha256": "44250277c8ca382840874f25ba7e432f19fe6dc670f1727dee061d9d4887eadc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0803",
    "kind": "arxiv",
    "version": 1
  }
}