Pith Number

pith:2OBWIT7O

pith:2017:2OBWIT7ORP3TPNCDEPCQW6ZMLI

not attested not anchored not stored refs pending

A Model for Data Citation in Astronomical Research using Digital Object Identifiers (DOIs)

Elizabeth Fraser, Jenny Novacescu, Joshua E.G. Peek, Karen Levay, Sarah Weissman, Scott W. Fleming

arxiv:1801.00004 v1 · 2017-12-29 · cs.DL · 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{2OBWIT7ORP3TPNCDEPCQW6ZMLI}

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	2026-05-18T00:15:19.020966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d383644fee8bf737b44323c50b7b2c5a03b4ebfb5456840822c55c3f2ad564f9

Aliases

arxiv: 1801.00004 · arxiv_version: 1801.00004v1 · doi: 10.48550/arxiv.1801.00004 · pith_short_12: 2OBWIT7ORP3T · pith_short_16: 2OBWIT7ORP3TPNCD · pith_short_8: 2OBWIT7O

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/2OBWIT7ORP3TPNCDEPCQW6ZMLI \
  | 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: d383644fee8bf737b44323c50b7b2c5a03b4ebfb5456840822c55c3f2ad564f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f95432785f6c44b54b7d612e50d4588b9f6cd3601cc7d9be862824ced11c384e",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2017-12-29T03:05:57Z",
    "title_canon_sha256": "491b8a125f5d377654ff3993f9a4536cfdd2f6ff35d29accfcd1cdf014233f96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00004",
    "kind": "arxiv",
    "version": 1
  }
}