Pith Number

pith:FMDOJFXK

pith:2011:FMDOJFXKSS7NSMMTYA2N7NRVPR

not attested not anchored not stored refs pending

The extinction map of the OMC-1 molecular cloud behind the Orion Nebula

Gaetano Scandariato, Isabella Pagano, Lynne Hillenbrand, Massimo Robberto

arxiv:1108.5851 v1 · 2011-08-30 · physics.space-ph · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FMDOJFXKSS7NSMMTYA2N7NRVPR}

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	2026-05-18T03:34:59.720757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b06e496ea94bed93193c034dfb6357c6fdc82609c5bf2b4958a2c48016306ca

Aliases

arxiv: 1108.5851 · arxiv_version: 1108.5851v1 · doi: 10.48550/arxiv.1108.5851 · pith_short_12: FMDOJFXKSS7N · pith_short_16: FMDOJFXKSS7NSMMT · pith_short_8: FMDOJFXK

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/FMDOJFXKSS7NSMMTYA2N7NRVPR \
  | 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: 2b06e496ea94bed93193c034dfb6357c6fdc82609c5bf2b4958a2c48016306ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d392503e314a49b8326033f8163b8b74b63539f58cbf7ae064cb27e47d41995",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2011-08-30T07:18:34Z",
    "title_canon_sha256": "03e577489ce0c04381222d822499bfbe9e73722a71190f285e119f46a55a8e30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5851",
    "kind": "arxiv",
    "version": 1
  }
}