Pith Number

pith:XQY7I6ZX

pith:2015:XQY7I6ZXW357RZ2TVOIP645HS6

not attested not anchored not stored refs pending

UNI Astronomical Observatory - OAUNI: First light

(2) Grupo Astronom\'ia, 3), (3) l'Observatoire de Paris, Antonio Pereyra (1), \'Area Astronom\'ia, Erick Meza (2, Facultad de Ciencias, France), Jos\'e Ricra (2), Julio Tello (2), Maria Isela Zevallos (2) ((1) Instituto Geof\'isico del Per\'u, Universidad Nacional de Ingenier\'ia, William Cori (2)

arxiv:1512.03104 v1 · 2015-12-09 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XQY7I6ZXW357RZ2TVOIP645HS6}

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	2026-05-18T01:24:37.869637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc31f47b37b6fbf8e753ab90ff73a79791373bf0ba0ab38a39ce875de5359085

Aliases

arxiv: 1512.03104 · arxiv_version: 1512.03104v1 · doi: 10.48550/arxiv.1512.03104 · pith_short_12: XQY7I6ZXW357 · pith_short_16: XQY7I6ZXW357RZ2T · pith_short_8: XQY7I6ZX

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/XQY7I6ZXW357RZ2TVOIP645HS6 \
  | 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: bc31f47b37b6fbf8e753ab90ff73a79791373bf0ba0ab38a39ce875de5359085

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1072c7e495b441a17cd41a3d2e635bde1a1f3c8dc9747de57aed04f4a6f0bdf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-12-09T22:30:40Z",
    "title_canon_sha256": "8a980b07a646f484a2087ecce797e2ffdc797286c679a8108fa2aaa2933d9bfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03104",
    "kind": "arxiv",
    "version": 1
  }
}