Pith Number

pith:HDZIISIP

pith:2015:HDZIISIPY53GGBME22SXLBZSO5

not attested not anchored not stored refs pending

Short-term variability of comet C/2012 S1 (ISON) at 4.8 AU from the Sun

Estela Fern\'andez-Valenzuela (Instituto de Astrof\'isica de Andaluc\'ia-CSIC), Fernando Moreno, Francisco Pozuelos, Jos\'e Luis Ortiz, Nicol\'as Morales, Pablo Santos-Sanz, Rene Duffard

arxiv:1501.05274 v1 · 2015-01-21 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HDZIISIPY53GGBME22SXLBZSO5}

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	2026-05-18T01:41:09.559817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38f284490fc776630584d6a5758732775ad3628641e5a78be51dd4c77e876816

Aliases

arxiv: 1501.05274 · arxiv_version: 1501.05274v1 · doi: 10.48550/arxiv.1501.05274 · pith_short_12: HDZIISIPY53G · pith_short_16: HDZIISIPY53GGBME · pith_short_8: HDZIISIP

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/HDZIISIPY53GGBME22SXLBZSO5 \
  | 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: 38f284490fc776630584d6a5758732775ad3628641e5a78be51dd4c77e876816

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27dc27aaf4c0e6816ba018b8962cf3d662f645f17a453fa0f5741a5a3f6d4d10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-01-21T19:38:50Z",
    "title_canon_sha256": "669202c18ebce0e59ca2e68ba3620e19820c74a19eb764226d6cfa094418b4f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05274",
    "kind": "arxiv",
    "version": 1
  }
}