Pith Number

pith:VZ2UOC2V

pith:2012:VZ2UOC2VGQJECQBBWU2T7UABWK

not attested not anchored not stored refs pending

Ultraviolet Measurements of Interstellar C2

2), (2) Ohio State Univ., 3), (3) Univ. of Maryland), Ryan C. Hupe (1, S. R. Federman (1) ((1) Univ. of Toledo, Y. Sheffer (1

arxiv:1211.0844 v1 · 2012-11-05 · 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{VZ2UOC2VGQJECQBBWU2T7UABWK}

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	2026-05-18T01:53:25.916226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae75470b553412414021b5353fd001b2be6c88fabd55b35f27a8a45ebd48c846

Aliases

arxiv: 1211.0844 · arxiv_version: 1211.0844v1 · doi: 10.48550/arxiv.1211.0844 · pith_short_12: VZ2UOC2VGQJE · pith_short_16: VZ2UOC2VGQJECQBB · pith_short_8: VZ2UOC2V

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/VZ2UOC2VGQJECQBBWU2T7UABWK \
  | 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: ae75470b553412414021b5353fd001b2be6c88fabd55b35f27a8a45ebd48c846

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "008ef1171721bf942302a019b92b03f6ad918432b82bdebdee438f3350150b68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-11-05T12:27:40Z",
    "title_canon_sha256": "cacad1d5ca4769d7b4267f2c5056500852c213c498b830ac601d5adcec3194da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0844",
    "kind": "arxiv",
    "version": 1
  }
}