Pith Number

pith:PDWAU5PE

pith:2018:PDWAU5PE5QXCMAZCEXRERHZPRH

not attested not anchored not stored refs pending

Provenance as a requirement for large-scale complex astronomical instruments

Catherine Boisson, Fran\c{c}ois Bonnarel, Julien Lefaucheur, Karl Kosack, Mathieu Servillat, Mich\`ele Sanguillon, Mireille Louys

arxiv:1806.00447 v1 · 2018-06-01 · 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{PDWAU5PE5QXCMAZCEXRERHZPRH}

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	2026-05-18T00:14:23.607132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78ec0a75e4ec2e26032225e2489f2f89fbe20e8c24a064aa18945001560b90f2

Aliases

arxiv: 1806.00447 · arxiv_version: 1806.00447v1 · doi: 10.48550/arxiv.1806.00447 · pith_short_12: PDWAU5PE5QXC · pith_short_16: PDWAU5PE5QXCMAZC · pith_short_8: PDWAU5PE

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/PDWAU5PE5QXCMAZCEXRERHZPRH \
  | 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: 78ec0a75e4ec2e26032225e2489f2f89fbe20e8c24a064aa18945001560b90f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af768c8071ea4ee7191a4af150d416a0ed91a0b6db54815271d375cba854a38b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-06-01T17:06:05Z",
    "title_canon_sha256": "3a0daadf15a4aadb91e975674e1a7add234ae291047bc446c9a71ad6f0cb6ee5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.00447",
    "kind": "arxiv",
    "version": 1
  }
}