Pith Number

pith:GS6MCZLH

pith:2009:GS6MCZLHKOMNJOL6YNAIFR53EO

not attested not anchored not stored refs pending

Molecular Line Observations of Infrared Dark Clouds II: Physical Conditions

David Gibson, Edwin Bergin, Natalie Evans, Rene Plume, Sarah Ragan

arxiv:0908.2643 v1 · 2009-08-18 · 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{GS6MCZLHKOMNJOL6YNAIFR53EO}

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	2026-05-18T02:12:25.407706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34bcc165675398d4b97ec34082c7bb239b95274fad9fe309ca58e0772d3d3204

Aliases

arxiv: 0908.2643 · arxiv_version: 0908.2643v1 · doi: 10.48550/arxiv.0908.2643 · pith_short_12: GS6MCZLHKOMN · pith_short_16: GS6MCZLHKOMNJOL6 · pith_short_8: GS6MCZLH

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/GS6MCZLHKOMNJOL6YNAIFR53EO \
  | 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: 34bcc165675398d4b97ec34082c7bb239b95274fad9fe309ca58e0772d3d3204

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c747534b10a623dd529f382abacd57fd25024867b0add000e79e19a7befb271",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-08-18T21:18:07Z",
    "title_canon_sha256": "3000efc4ebb86bd46f5c0737854a933858cf90285f01ded097760c9944586edc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2643",
    "kind": "arxiv",
    "version": 1
  }
}