Pith Number

pith:7QGUQWI3

pith:2012:7QGUQWI3HNJWTP5XWX4EWVUOMT

not attested not anchored not stored refs pending

Model for Atomic Oxygen Visible Line Emissions in Comet C/1995 O1 Hale-Bopp

Anil Bhardwaj, Susarla Raghuram

arxiv:1211.5008 v1 · 2012-11-21 · astro-ph.EP · physics.atom-ph · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QGUQWI3HNJWTP5XWX4EWVUOMT}

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	2026-05-18T01:53:02.021402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc0d48591b3b5369bfb7b5f84b568e64e1cf699c8bb5a3b12de789ed1400c8cf

Aliases

arxiv: 1211.5008 · arxiv_version: 1211.5008v1 · doi: 10.48550/arxiv.1211.5008 · pith_short_12: 7QGUQWI3HNJW · pith_short_16: 7QGUQWI3HNJWTP5X · pith_short_8: 7QGUQWI3

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/7QGUQWI3HNJWTP5XWX4EWVUOMT \
  | 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: fc0d48591b3b5369bfb7b5f84b568e64e1cf699c8bb5a3b12de789ed1400c8cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4612f8d84782ce31ebbe491fdc47d43ddb144bd2f85a354c011ac43d0df0891e",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-11-21T11:56:13Z",
    "title_canon_sha256": "fa2d1c76cd52147a31c4d8697fb6744920c99053e8e4ef6549dcef2a61e31972"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.5008",
    "kind": "arxiv",
    "version": 1
  }
}