Pith Number

pith:4SRENFCJ

pith:2013:4SRENFCJY73SDEYQJ7HPRL7FTJ

not attested not anchored not stored refs pending

Dense molecular cocoons in the massive protocluster W3 IRS5: a test case for models of massive star formation

A. O. Benz, F. F. S. van der Tak, K.-S. Wang, M. R. Hogerheijde, S. T. Megeath, T. L. Bourke, T. L. Wilson

arxiv:1308.5151 v1 · 2013-08-23 · astro-ph.GA

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	2026-05-18T01:47:59.164752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4a2469449c7f72193104fcef8afe59a4d89658b0d76fb87fce2ab6f514f0ce2

Aliases

arxiv: 1308.5151 · arxiv_version: 1308.5151v1 · doi: 10.48550/arxiv.1308.5151 · pith_short_12: 4SRENFCJY73S · pith_short_16: 4SRENFCJY73SDEYQ · pith_short_8: 4SRENFCJ

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/4SRENFCJY73SDEYQJ7HPRL7FTJ \
  | 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: e4a2469449c7f72193104fcef8afe59a4d89658b0d76fb87fce2ab6f514f0ce2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7ef3e10d367e2db977652a9d99b3847c8f65fa9b3b69406e1b1c546ec24f32b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-08-23T15:04:28Z",
    "title_canon_sha256": "24c463a413c7e9810cf16cb69a133be0f86314feea8e8be500b01dfe03089b00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5151",
    "kind": "arxiv",
    "version": 1
  }
}