Pith Number

pith:O73E6DNM

pith:2001:O73E6DNM3PLAUYJQ2KDNTOH6MM

not attested not anchored not stored refs pending

Early Phases and Initial Conditions for Massive Star Formation

Claudia Knez (Department of Astronomy, Kaisa E. Mueller, Neal J. Evans II, The University of Texas at Austin), Yancy L. Shirley

arxiv:astro-ph/0111103 v1 · 2001-11-05 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O73E6DNM3PLAUYJQ2KDNTOH6MM}

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	2026-07-04T14:11:37.632062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77f64f0dacdbd60a6130d286d9b8fe633e10c69f789f31992d9e9afeb48aa155

Aliases

arxiv: astro-ph/0111103 · arxiv_version: astro-ph/0111103v1 · doi: 10.48550/arxiv.astro-ph/0111103 · pith_short_12: O73E6DNM3PLA · pith_short_16: O73E6DNM3PLAUYJQ · pith_short_8: O73E6DNM

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/O73E6DNM3PLAUYJQ2KDNTOH6MM \
  | 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: 77f64f0dacdbd60a6130d286d9b8fe633e10c69f789f31992d9e9afeb48aa155

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e4a508ba3d71692884b8d4a5334941adb864a6af61edc6e23b40312ab19a6e8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-11-05T23:39:50Z",
    "title_canon_sha256": "b308c17c3a1e9a28749547dec0be0771bddc3f7e7348c4d6bcb074a135932eee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0111103",
    "kind": "arxiv",
    "version": 1
  }
}