Pith Number

pith:UTKN3WTO

pith:2013:UTKN3WTOY6IYENSW2JZLENS3NF

not attested not anchored not stored refs pending

Brightness and Orbital Motion Peculiarities of Comet C/2012 S1 (ISON): Comparison with Two Very Different Comets

Zdenek Sekanina

arxiv:1310.1980 v7 · 2013-10-08 · 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{UTKN3WTOY6IYENSW2JZLENS3NF}

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	2026-05-18T03:07:10.879007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4d4ddda6ec791823656d272b2365b695c5ede391bd3713330b442f2a76fe27d

Aliases

arxiv: 1310.1980 · arxiv_version: 1310.1980v7 · doi: 10.48550/arxiv.1310.1980 · pith_short_12: UTKN3WTOY6IY · pith_short_16: UTKN3WTOY6IYENSW · pith_short_8: UTKN3WTO

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/UTKN3WTOY6IYENSW2JZLENS3NF \
  | 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: a4d4ddda6ec791823656d272b2365b695c5ede391bd3713330b442f2a76fe27d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4ecc3a35c5c16f78aeebe7d8e72991773f4b403c12e032fb24b16f48804ff3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-10-08T01:34:25Z",
    "title_canon_sha256": "baa0b5f94aaa768fe3a34a48fad483a13783f71ca23c62dd7bf5bead6eb5dbf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1980",
    "kind": "arxiv",
    "version": 7
  }
}