Pith Number

pith:7B4E24NQ

pith:2020:7B4E24NQTDKBQ3XTDRJGMGKBED

not attested not anchored not stored refs pending

Non-dimensional Star-Identification

Carl Leake, Daniele Mortari, David Arnas

arxiv:2003.13736 v2 · 2020-03-30 · astro-ph.IM · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7B4E24NQTDKBQ3XTDRJGMGKBED}

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	2026-07-05T01:02:46.016576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8784d71b098d4186ef31c5266194120d009d2a2a468cb98f952602478a3e9eb

Aliases

arxiv: 2003.13736 · arxiv_version: 2003.13736v2 · doi: 10.48550/arxiv.2003.13736 · pith_short_12: 7B4E24NQTDKB · pith_short_16: 7B4E24NQTDKBQ3XT · pith_short_8: 7B4E24NQ

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/7B4E24NQTDKBQ3XTDRJGMGKBED \
  | 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: f8784d71b098d4186ef31c5266194120d009d2a2a468cb98f952602478a3e9eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e43932e6c4c978a35c10924ef251652a10dc07fec47109df3373e71cb202115",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-03-30T18:33:20Z",
    "title_canon_sha256": "0ecb0db39f05874f985f4a4668e04b086696c92f891dc56c10b5e270c3f7b3dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.13736",
    "kind": "arxiv",
    "version": 2
  }
}