Pith Number

pith:UDCZZ5OV

pith:2018:UDCZZ5OVKS5MC6QTNIJUMAJ3IP

not attested not anchored not stored refs pending

Halometry from Astrometry

Anna-Maria Taki, Ken Van Tilburg, Neal Weiner

arxiv:1804.01991 v1 · 2018-04-05 · astro-ph.CO · astro-ph.GA · astro-ph.IM · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UDCZZ5OVKS5MC6QTNIJUMAJ3IP}

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	2026-05-18T00:08:42.647889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0c59cf5d554bac17a136a1346013b43dc958fe0a7f50acfad5d7ddd0c628c1b

Aliases

arxiv: 1804.01991 · arxiv_version: 1804.01991v1 · doi: 10.48550/arxiv.1804.01991 · pith_short_12: UDCZZ5OVKS5M · pith_short_16: UDCZZ5OVKS5MC6QT · pith_short_8: UDCZZ5OV

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/UDCZZ5OVKS5MC6QTNIJUMAJ3IP \
  | 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: a0c59cf5d554bac17a136a1346013b43dc958fe0a7f50acfad5d7ddd0c628c1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee98bc08f713d7ef78b0290654da0d93f4b82546e4d5719e9c02d9bbcec0d120",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-04-05T18:00:01Z",
    "title_canon_sha256": "6499bcfd832431fb1728172cbba1a40e20b8b56fbea3bca722aa41e39549db61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01991",
    "kind": "arxiv",
    "version": 1
  }
}