Pith Number

pith:E6EDOQ2K

pith:2013:E6EDOQ2KEDKBLJLSQLFQ4JDRAA

not attested not anchored not stored refs pending

Extending the Hyades

Paul J. McMillan

arxiv:1301.4447 v1 · 2013-01-18 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6EDOQ2KEDKBLJLSQLFQ4JDRAA}

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	2026-05-18T01:52:05.761656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

278837434a20d415a57282cb0e247100151ee4247a0bc6dfbe943167a0ffc80c

Aliases

arxiv: 1301.4447 · arxiv_version: 1301.4447v1 · doi: 10.48550/arxiv.1301.4447 · pith_short_12: E6EDOQ2KEDKB · pith_short_16: E6EDOQ2KEDKBLJLS · pith_short_8: E6EDOQ2K

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/E6EDOQ2KEDKBLJLSQLFQ4JDRAA \
  | 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: 278837434a20d415a57282cb0e247100151ee4247a0bc6dfbe943167a0ffc80c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "370e825cd08ada7364873a94da17dd7a0b00dd0472d34051898831cc4b53be3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-01-18T17:43:57Z",
    "title_canon_sha256": "af95ae447ed349a2bc21903af69d52adb12b633e92a9d0d7fb77606cd4d2d23a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4447",
    "kind": "arxiv",
    "version": 1
  }
}