Pith Number

pith:5CYNYWEU

pith:2018:5CYNYWEUZT2WTF5T7P2QEV2VB6

not attested not anchored not stored refs pending

The VO: A powerful tool for global astronomy

Alessandra Aloisi, Andrea Zacchi, Baptiste Cecconi, Bob Mann, Bruce Berriman, Catherine Boisson, Christophe Arviset, David Ciardi, David Schade, Felix Stoehr, Francoise Genova, Giuseppina Fabbiano, Janet Evans, Mark Allen, Tim Jenness, Tom McGlynn, William OMullane

arxiv:1803.07490 v1 · 2018-03-20 · 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{5CYNYWEUZT2WTF5T7P2QEV2VB6}

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	2026-05-18T00:20:33.043082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8b0dc5894ccf56997b3fbf50257550f9a87dfd0489f98b990a75312b4fead82

Aliases

arxiv: 1803.07490 · arxiv_version: 1803.07490v1 · doi: 10.48550/arxiv.1803.07490 · pith_short_12: 5CYNYWEUZT2W · pith_short_16: 5CYNYWEUZT2WTF5T · pith_short_8: 5CYNYWEU

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/5CYNYWEUZT2WTF5T7P2QEV2VB6 \
  | 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: e8b0dc5894ccf56997b3fbf50257550f9a87dfd0489f98b990a75312b4fead82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e49c24e3873e25879f9b9051547274c46e2de1a67b267e3d768d9311000c5c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-03-20T15:40:41Z",
    "title_canon_sha256": "decd3dee4c490daf7aa478b5c363eda04763b2fffc61ad91f5329fdbae2ac2bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07490",
    "kind": "arxiv",
    "version": 1
  }
}