Pith Number

pith:OZUMCZ7P

pith:2016:OZUMCZ7PQPPKEZER2Z3FKKGFP6

not attested not anchored not stored refs pending

W1J00 and W2J00: Results of the Observations made with the Six-inch Transit Circle 1977-1982 AND Results of Pole-to-Pole Observations made with the Six-inch and Seven-inch Transit Circles 1985-1996

E. R. Holdenried, S. E. Urban, T. J. Rafferty

arxiv:1605.09780 v1 · 2016-05-31 · 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{OZUMCZ7PQPPKEZER2Z3FKKGFP6}

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	2026-05-18T01:13:10.179848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7668c167ef83dea26491d6765528c57f815e641a176ea0516a2606a6b933f604

Aliases

arxiv: 1605.09780 · arxiv_version: 1605.09780v1 · doi: 10.48550/arxiv.1605.09780 · pith_short_12: OZUMCZ7PQPPK · pith_short_16: OZUMCZ7PQPPKEZER · pith_short_8: OZUMCZ7P

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/OZUMCZ7PQPPKEZER2Z3FKKGFP6 \
  | 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: 7668c167ef83dea26491d6765528c57f815e641a176ea0516a2606a6b933f604

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13eedd0ecf020df1422b27b1194ffd1fba24fe92d69ad15c37b170e2251415df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-05-31T19:29:36Z",
    "title_canon_sha256": "1f28ae8fd04a3aaaa31a7a407af8ac4e05e53c5eb33b7900bf749851ba2493fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.09780",
    "kind": "arxiv",
    "version": 1
  }
}