Pith Number

pith:AGC5I5DD

pith:2018:AGC5I5DDMYYE2PS7YTG2DJB3P3

not attested not anchored not stored refs pending

Best Practices for a Future Open Code Policy: Experiences and Vision of the Astrophysics Source Code Library

Alice Allen, Bruce Berriman, Lior Shamir, Peter Teuben, Robert Nemiroff

arxiv:1802.00552 v1 · 2018-02-02 · astro-ph.IM · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AGC5I5DDMYYE2PS7YTG2DJB3P3}

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	2026-05-18T00:24:32.902001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0185d4746366304d3e5fc4cda1a43b7eefdbda713cd33e95428f33d126bd19ed

Aliases

arxiv: 1802.00552 · arxiv_version: 1802.00552v1 · doi: 10.48550/arxiv.1802.00552 · pith_short_12: AGC5I5DDMYYE · pith_short_16: AGC5I5DDMYYE2PS7 · pith_short_8: AGC5I5DD

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/AGC5I5DDMYYE2PS7YTG2DJB3P3 \
  | 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: 0185d4746366304d3e5fc4cda1a43b7eefdbda713cd33e95428f33d126bd19ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea9580d829a91b7773c6e1076858e6bbe4c8c4bda0cf21751cabbe52ed4ec833",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-02-02T04:06:51Z",
    "title_canon_sha256": "e1463d4345627dc5d0cb23972638b0bf637c95d48963803078bde7c5c94ca199"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00552",
    "kind": "arxiv",
    "version": 1
  }
}