Pith Number

pith:DJTW7SPB

pith:2010:DJTW7SPBPISOGKIZOUT2CJV45V

not attested not anchored not stored refs pending

OB-stars as extreme condition test beds

Joachim Puls, Jon O. Sundqvist, Jorge G. Rivero Gonz\'alez

arxiv:1009.0364 v1 · 2010-09-02 · 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	2026-05-18T02:05:38.064386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a676fc9e17a24e329197527a126bced5d45caac7780e748bbd0e82fa23fc142

Aliases

arxiv: 1009.0364 · arxiv_version: 1009.0364v1 · doi: 10.48550/arxiv.1009.0364 · pith_short_12: DJTW7SPBPISO · pith_short_16: DJTW7SPBPISOGKIZ · pith_short_8: DJTW7SPB

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/DJTW7SPBPISOGKIZOUT2CJV45V \
  | 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: 1a676fc9e17a24e329197527a126bced5d45caac7780e748bbd0e82fa23fc142

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "721d235b103cf7212b77aea84e9af0e976fda54908bc9873ad8b33694d4c3ede",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-02T09:41:51Z",
    "title_canon_sha256": "0cff6565d166da21343e34d6d09cd48bc09e88243d3d50a7940de39be39ffef0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.0364",
    "kind": "arxiv",
    "version": 1
  }
}