Pith Number

pith:U5V5ZEAS

pith:2010:U5V5ZEASZYLMBXUTVRTHYD43WS

not attested not anchored not stored refs pending

In savvy pursuit of Local Group blue massive stars

Artemio Herrero, Luis Corral, Miriam Garcia, Norberto Castro

arxiv:1010.2182 v1 · 2010-10-11 · astro-ph.SR

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

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	2026-05-18T04:39:29.496826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a76bdc9012ce16c0de93ac667c0f9bb4a2c456695fca760644ebd814393b85a2

Aliases

arxiv: 1010.2182 · arxiv_version: 1010.2182v1 · doi: 10.48550/arxiv.1010.2182 · pith_short_12: U5V5ZEASZYLM · pith_short_16: U5V5ZEASZYLMBXUT · pith_short_8: U5V5ZEAS

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/U5V5ZEASZYLMBXUTVRTHYD43WS \
  | 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: a76bdc9012ce16c0de93ac667c0f9bb4a2c456695fca760644ebd814393b85a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff3154782bb6ea7c924724ae7ea76c6eb0a893e5ea2d89601e0d2329f14d3b58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-10-11T18:28:38Z",
    "title_canon_sha256": "cf7a309788bdfaa3820215d7287adaf28cae1cff95a24c45f65aacc79b2c95e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2182",
    "kind": "arxiv",
    "version": 1
  }
}