Pith Number

pith:AQQIIDYM

pith:2010:AQQIIDYMHB4TVJR43OEJA4J4OX

not attested not anchored not stored refs pending

Census of Self-Obscured Massive Stars in Nearby Galaxies with Spitzer: Implications for Understanding the Progenitors of SN 2008S-Like Transients

C. S. Kochanek, J. F. Beacom, J. L. Prieto, K. Z. Stanek, Rubab Khan, Todd A. Thompson

arxiv:1001.3681 v2 · 2010-01-21 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AQQIIDYMHB4TVJR43OEJA4J4OX}

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	2026-05-18T04:24:43.892588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0420840f0c38793aa63cdb8890713c75c83fac9412641803569f8d517766dddb

Aliases

arxiv: 1001.3681 · arxiv_version: 1001.3681v2 · doi: 10.48550/arxiv.1001.3681 · pith_short_12: AQQIIDYMHB4T · pith_short_16: AQQIIDYMHB4TVJR4 · pith_short_8: AQQIIDYM

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/AQQIIDYMHB4TVJR43OEJA4J4OX \
  | 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: 0420840f0c38793aa63cdb8890713c75c83fac9412641803569f8d517766dddb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2485921733982ea7712a78efaa3165e9bb77b2754fa4f8a96a88715f1f0de02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-01-21T20:57:29Z",
    "title_canon_sha256": "aad52e3d4ab21766c1792af8a5d4c200b19b292305d1c6ed99301c169a54431a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3681",
    "kind": "arxiv",
    "version": 2
  }
}