Pith Number

pith:B7H5ZTLU

pith:2011:B7H5ZTLU6O2DQJD2QIYOISVGIM

not attested not anchored not stored refs pending

A Status Report on the 0Z Project

Andrew McWilliam, Ian Thompson, Judith G. Cohen, Norbert Christlieb, Stephen Shectman

arxiv:1105.1126 v1 · 2011-05-05 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B7H5ZTLU6O2DQJD2QIYOISVGIM}

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	2026-05-18T04:22:49.168658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fcfdccd74f3b438247a8230e44aa64309c4aa4bba46a61c2d338ca27858dec5

Aliases

arxiv: 1105.1126 · arxiv_version: 1105.1126v1 · doi: 10.48550/arxiv.1105.1126 · pith_short_12: B7H5ZTLU6O2D · pith_short_16: B7H5ZTLU6O2DQJD2 · pith_short_8: B7H5ZTLU

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/B7H5ZTLU6O2DQJD2QIYOISVGIM \
  | 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: 0fcfdccd74f3b438247a8230e44aa64309c4aa4bba46a61c2d338ca27858dec5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be2dd2e9a2434550a373c69585cbd57c1bbd5270d9ad0d2ee6e755150d304253",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-05-05T17:37:27Z",
    "title_canon_sha256": "797ccdbc25f685b571c4f388925b7de25c8e9848105d887783ed0348211c7e57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1126",
    "kind": "arxiv",
    "version": 1
  }
}