Pith Number

pith:7Q5E3QIN

pith:2017:7Q5E3QINRYMUDURIXOSP3NZWVM

not attested not anchored not stored refs pending

Building a Disciplinary, World-Wide Data Infrastructure

Brian McMahon, Bridget M. Almas, Christophe Arviset, Daan Broeder, Emily Law, Fran\c{c}oise Genova, Laura Bartolo

arxiv:1703.06450 v1 · 2017-03-19 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7Q5E3QINRYMUDURIXOSP3NZWVM}

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	2026-05-18T00:32:36.291612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc3a4dc10d8e1941d228bba4fdb736ab1dbbfcffef9b2c569cced83adfe17f94

Aliases

arxiv: 1703.06450 · arxiv_version: 1703.06450v1 · doi: 10.48550/arxiv.1703.06450 · pith_short_12: 7Q5E3QINRYMU · pith_short_16: 7Q5E3QINRYMUDURI · pith_short_8: 7Q5E3QIN

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/7Q5E3QINRYMUDURIXOSP3NZWVM \
  | 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: fc3a4dc10d8e1941d228bba4fdb736ab1dbbfcffef9b2c569cced83adfe17f94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78c95a6f591d575bae07922116cd48bc3ffc6aaf3a050480a14f8761dbc2e1b5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-03-19T14:51:17Z",
    "title_canon_sha256": "d93fe29d8ad74c1fa86ad72e9400af5e785aac7ebce0629a19588ee95822f2ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06450",
    "kind": "arxiv",
    "version": 1
  }
}