Pith Number

pith:S2646FII

pith:2016:S2646FII6OUPAKNX5ZJA52F4CB

not attested not anchored not stored refs pending

A case study in adaptable and reusable infrastructure at the Keck Observatory Archive: VO interfaces, moving targets, and more

Anastasia C. Laity, Andrew Colson, Christopher R. Gelino, G. Bruce Berriman, Hien D. Tran, Jeffrey A. Mader, John C. Good, Melanie A. Swain, Mihseh Kong, Richard W. Cohen, Shin-Ywan Wang

arxiv:1608.02642 v1 · 2016-08-08 · 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{S2646FII6OUPAKNX5ZJA52F4CB}

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	2026-05-18T00:55:45.616053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96bdcf1508f3a8f029b7ee520ee8bc1070110a448273cd153185dacbaedb4296

Aliases

arxiv: 1608.02642 · arxiv_version: 1608.02642v1 · doi: 10.48550/arxiv.1608.02642 · pith_short_12: S2646FII6OUP · pith_short_16: S2646FII6OUPAKNX · pith_short_8: S2646FII

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/S2646FII6OUPAKNX5ZJA52F4CB \
  | 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: 96bdcf1508f3a8f029b7ee520ee8bc1070110a448273cd153185dacbaedb4296

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c416fb4f9ab0fe4811956104500bb98cebb7e924f32f9148b4ec33cf39b3af31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-08-08T22:27:20Z",
    "title_canon_sha256": "05de8b5dd5811f7457e8307721ae8620c2928e7b0983862886c08443570c0173"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02642",
    "kind": "arxiv",
    "version": 1
  }
}