Pith Number

pith:2VDO5YKW

pith:2012:2VDO5YKWAIKTD42FPZCNYRU6BL

not attested not anchored not stored refs pending

Cool Dust in the Outer Ring of NGC 1291

A. Crocker, B. D. Johnson, B. Draine, B. Groves, C. W. Engelbracht, D. A. Dale, D. Calzetti, E. J. Murphy, E. Montiel, F. Tabatabaei, F. Walter, G. Aniano, J. Donovan Meyer, J. L. Hinz, K. Sandstrom, L. Armus, L. Hunt, M. Galametz, R. C. Kennicutt, R. Skibba, S. E. Meidt

arxiv:1207.2777 v1 · 2012-07-11 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2VDO5YKWAIKTD42FPZCNYRU6BL}

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	2026-05-18T01:56:24.851033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d546eee156021531f3457e44dc469e0acdbfe6b6aa65e2c008dd8bba30fd4143

Aliases

arxiv: 1207.2777 · arxiv_version: 1207.2777v1 · doi: 10.48550/arxiv.1207.2777 · pith_short_12: 2VDO5YKWAIKT · pith_short_16: 2VDO5YKWAIKTD42F · pith_short_8: 2VDO5YKW

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/2VDO5YKWAIKTD42FPZCNYRU6BL \
  | 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: d546eee156021531f3457e44dc469e0acdbfe6b6aa65e2c008dd8bba30fd4143

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "662de872bf3301d0165934c048ed5070cd65096b36cf90b2293408d30ed08534",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-11T20:19:58Z",
    "title_canon_sha256": "a9abf01683192c7cb87a138463c02acc29fabf2e375b84f63666effe0afcce61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2777",
    "kind": "arxiv",
    "version": 1
  }
}