Pith Number

pith:JOOJ34YW

pith:2020:JOOJ34YWLL3YVTV7UY3U2VZWTA

not attested not anchored not stored refs pending

The Future of astronomical archives: reaching out to and engaging broader communities

David VanStone, Glenn Becker, Michael McCollough, Raffaele D'Abrusco, Sherry Winkelman, Sinh Thong

arxiv:2001.03681 v1 · 2020-01-10 · 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{JOOJ34YWLL3YVTV7UY3U2VZWTA}

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	2026-07-05T00:32:55.104201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b9c9df3165af78acebfa6374d57369804afbd3603dc55460072df08256ce95b

Aliases

arxiv: 2001.03681 · arxiv_version: 2001.03681v1 · doi: 10.48550/arxiv.2001.03681 · pith_short_12: JOOJ34YWLL3Y · pith_short_16: JOOJ34YWLL3YVTV7 · pith_short_8: JOOJ34YW

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/JOOJ34YWLL3YVTV7UY3U2VZWTA \
  | 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: 4b9c9df3165af78acebfa6374d57369804afbd3603dc55460072df08256ce95b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce93a71b3eb29379d74708a5178a68331d2065d30a9ff5e52b24fe82808312c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-01-10T22:30:21Z",
    "title_canon_sha256": "2733322e6056d7a3d9a9fa349fbff9ee1c13709317924c99851368958eff33ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.03681",
    "kind": "arxiv",
    "version": 1
  }
}