Pith Number

pith:657ERQR7

pith:2012:657ERQR7QV4KCSCDOQBYERGQMK

not attested not anchored not stored refs pending

Adaptive Optics Images of Kepler Objects of Interest

Andrea K. Dupree, Craig Kulesa, David R. Ciardi, Don McCarthy, Elisabeth R. Adams, T. Nick Gautier III

arxiv:1205.5535 v1 · 2012-05-24 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{657ERQR7QV4KCSCDOQBYERGQMK}

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	2026-05-18T01:57:17.679253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f77e48c23f8578a1484374038244d062939d4670e9667957a8fde993a7aab84a

Aliases

arxiv: 1205.5535 · arxiv_version: 1205.5535v1 · doi: 10.48550/arxiv.1205.5535 · pith_short_12: 657ERQR7QV4K · pith_short_16: 657ERQR7QV4KCSCD · pith_short_8: 657ERQR7

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/657ERQR7QV4KCSCDOQBYERGQMK \
  | 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: f77e48c23f8578a1484374038244d062939d4670e9667957a8fde993a7aab84a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e92ad6d684450158192c6be4d02afd2a375213aac8acb0667689cc8d7e008c2",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-05-24T19:23:12Z",
    "title_canon_sha256": "b7a4b7a8ae4b6dad98e047b7b3998796174ba4631611d2e5b73dfe7cfb7bb038"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5535",
    "kind": "arxiv",
    "version": 1
  }
}