Pith Number

pith:7QAAPX43

pith:2018:7QAAPX437R4ZQB556QI2RFUS23

not attested not anchored not stored refs pending

The Gaia-WISE Extragalactic Astrometric Catalog

Alexandra Truebenbach, Jennie Paine, Jeremy Darling

arxiv:1804.02064 v1 · 2018-04-05 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QAAPX437R4ZQB556QI2RFUS23}

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	2026-05-18T00:13:26.501074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc0007df9bfc799807bdf411a89692d6f2ee3885441c469f8049d1946deed57b

Aliases

arxiv: 1804.02064 · arxiv_version: 1804.02064v1 · doi: 10.48550/arxiv.1804.02064 · pith_short_12: 7QAAPX437R4Z · pith_short_16: 7QAAPX437R4ZQB55 · pith_short_8: 7QAAPX43

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/7QAAPX437R4ZQB556QI2RFUS23 \
  | 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: fc0007df9bfc799807bdf411a89692d6f2ee3885441c469f8049d1946deed57b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd863b5688e053ef869b1e4100907cbf1fbffbae313eefa4f265b981536d2519",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-05T21:31:25Z",
    "title_canon_sha256": "a8ee1ba1d2b1ed9a328de6068825dc977dc3efd1e89e9dddcff29e44726e485e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02064",
    "kind": "arxiv",
    "version": 1
  }
}