Pith Number

pith:N6KFPKY2

pith:2012:N6KFPKY2QMR6ZNVOOENMF7TLMX

not attested not anchored not stored refs pending

IVOA Recommendation: Simple Spectral Access Protocol Version 1.1

Alberto Micol, Doug Tody, Francois Bonnarel, Frank Valdes, Ivo Busko, Jesus Salgado, Jonathan McDowell, Markus Dolensky, Pedro Osuna, Petr Skoda, Randy Thompson, Tamas Budavari, the Data Access Layer working group

arxiv:1203.5725 v1 · 2012-03-26 · 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{N6KFPKY2QMR6ZNVOOENMF7TLMX}

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	2026-05-17T23:45:41.811367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f9457ab1a8323ecb6ae711ac2fe6b65fc730be749b617f4bf1f88bf014319a3

Aliases

arxiv: 1203.5725 · arxiv_version: 1203.5725v1 · doi: 10.48550/arxiv.1203.5725 · pith_short_12: N6KFPKY2QMR6 · pith_short_16: N6KFPKY2QMR6ZNVO · pith_short_8: N6KFPKY2

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/N6KFPKY2QMR6ZNVOOENMF7TLMX \
  | 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: 6f9457ab1a8323ecb6ae711ac2fe6b65fc730be749b617f4bf1f88bf014319a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36fc32443eb6fdbe2e718cf8fba86fb8181e80bfa1a458b9d19254971e80bf73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-03-26T16:36:10Z",
    "title_canon_sha256": "e15581300f1447e63183309981504169490dc59389353662d84249caf64fef51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5725",
    "kind": "arxiv",
    "version": 1
  }
}