Pith Number

pith:U5OZDG6H

pith:2010:U5OZDG6HARHE6HQHQHAIWSG5BC

not attested not anchored not stored refs pending

The "Nessie" Nebula: Cluster Formation in a Filamentary Infrared Dark Cloud

Edward T. Chambers, James M. Jackson, Jill M. Rathborne, Robert Simon, Susanna C. Finn

arxiv:1007.5492 v1 · 2010-07-30 · 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{U5OZDG6HARHE6HQHQHAIWSG5BC}

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	2026-05-18T02:06:00.811012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a75d919bc7044e4f1e0781c08b48dd08ba0f1c7513ee3bcfd64853b5f9190cb3

Aliases

arxiv: 1007.5492 · arxiv_version: 1007.5492v1 · doi: 10.48550/arxiv.1007.5492 · pith_short_12: U5OZDG6HARHE · pith_short_16: U5OZDG6HARHE6HQH · pith_short_8: U5OZDG6H

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/U5OZDG6HARHE6HQHQHAIWSG5BC \
  | 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: a75d919bc7044e4f1e0781c08b48dd08ba0f1c7513ee3bcfd64853b5f9190cb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7b54f4f0f913d951e8a6b407a4f152d171abd77f289ed3112bbe1e7aaab893a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-07-30T16:42:25Z",
    "title_canon_sha256": "f384a72ce7a117071cf5979d720b02cb58d111868859bf9603ae4558cbaac7af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.5492",
    "kind": "arxiv",
    "version": 1
  }
}