Pith Number

pith:UPIJROZB

pith:2015:UPIJROZBQFVOLOR36C4T6G2OES

not attested not anchored not stored refs pending

Long-term activity and outburst of comet C/2013 A1 (Siding Spring) from narrow-band photometry and long-slit spectroscopy

A. Guilbert-Lepoutre, C. Opitom, D. Hutsem\'ekers, E. Jehin, G. Roberts-Borsani, J. Manfroid, M. Gillon, O. Witasse, P. Magain

arxiv:1510.07514 v1 · 2015-10-26 · 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{UPIJROZBQFVOLOR36C4T6G2OES}

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	2026-05-18T01:16:47.857429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3d098bb21816ae5ba3bf0b93f1b4e248e62a1b040d9b1b828ba8ca7fb9b5ca2

Aliases

arxiv: 1510.07514 · arxiv_version: 1510.07514v1 · doi: 10.48550/arxiv.1510.07514 · pith_short_12: UPIJROZBQFVO · pith_short_16: UPIJROZBQFVOLOR3 · pith_short_8: UPIJROZB

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/UPIJROZBQFVOLOR36C4T6G2OES \
  | 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: a3d098bb21816ae5ba3bf0b93f1b4e248e62a1b040d9b1b828ba8ca7fb9b5ca2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1bb2096954fe94e815b1e92ab132e69340aabafa91ddbd6f7d5a5ac85792ee4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-10-26T15:34:09Z",
    "title_canon_sha256": "8e59f3f7d8d1f128cdd98e36420a581f2ca3143f75959d6b4394322154e9684d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07514",
    "kind": "arxiv",
    "version": 1
  }
}