Pith Number

pith:7OZ3RFF4

pith:2019:7OZ3RFF45QKO4SNK7EXKJMUZ3P

not attested not anchored not stored refs pending

High Definition Astrometry

Philip Horzempa

arxiv:1905.07556 v1 · 2019-05-18 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7OZ3RFF45QKO4SNK7EXKJMUZ3P}

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	2026-05-17T23:45:49.332728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbb3b894bcec14ee49aaf92ea4b299dbe49ddc44a60b39203c0d0d5c14257613

Aliases

arxiv: 1905.07556 · arxiv_version: 1905.07556v1 · doi: 10.48550/arxiv.1905.07556 · pith_short_12: 7OZ3RFF45QKO · pith_short_16: 7OZ3RFF45QKO4SNK · pith_short_8: 7OZ3RFF4

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/7OZ3RFF45QKO4SNK7EXKJMUZ3P \
  | 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: fbb3b894bcec14ee49aaf92ea4b299dbe49ddc44a60b39203c0d0d5c14257613

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c915dd2387ec73e23ef7ac96f1dce2a7f4092d87ba09207e75871db2cdae0740",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-05-18T08:56:36Z",
    "title_canon_sha256": "b7f09643255b608b4c145b026cc6042361055a57cda054ab38bbbc958a92bbc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07556",
    "kind": "arxiv",
    "version": 1
  }
}