Pith Number

pith:VTV2EKWZ

pith:2013:VTV2EKWZVMMLC3PWL77OOGNRPV

not attested not anchored not stored refs pending

Herschel and IRAM-30m Observations of Comet C/2012 S1 (ISON) at 4.5 AU from the Sun

B. Altieri, C. Snodgrass, D. Bockel\'ee-Morvan, D. Teyssier, L. Jorda, L. O'Rourke, M. A'Hearn, M. K\"uppers, N. Biver, T. Farnham, T. G. M\"uller, V. Debout

arxiv:1311.6452 v1 · 2013-11-25 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VTV2EKWZVMMLC3PWL77OOGNRPV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:46:06.308798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aceba22ad9ab18b16df65ffee719b17d6852d9925a5ccfe2ba8e996cc76c6ae3

Aliases

arxiv: 1311.6452 · arxiv_version: 1311.6452v1 · doi: 10.48550/arxiv.1311.6452 · pith_short_12: VTV2EKWZVMML · pith_short_16: VTV2EKWZVMMLC3PW · pith_short_8: VTV2EKWZ

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/VTV2EKWZVMMLC3PWL77OOGNRPV \
  | 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: aceba22ad9ab18b16df65ffee719b17d6852d9925a5ccfe2ba8e996cc76c6ae3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fc284926a8fc01be48ad0091248e837be79fb4ddba291cd413426fd0fc2119d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-11-25T20:42:21Z",
    "title_canon_sha256": "091add3753f4425137d845ede8413849ffddc462e5cfadc59dc1f27dac3e18ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6452",
    "kind": "arxiv",
    "version": 1
  }
}