Pith Number

pith:STDJAQYA

pith:2010:STDJAQYARKRXJNHIOHMUWUOTAH

not attested not anchored not stored refs pending

Projective vs metric structures

Pawel Nurowski

arxiv:1003.1469 v1 · 2010-03-07 · math.DG · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{STDJAQYARKRXJNHIOHMUWUOTAH}

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	2026-05-18T02:08:45.272255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94c69043008aa374b4e871d94b51d301fc440673960e695cc680d2d795c24e56

Aliases

arxiv: 1003.1469 · arxiv_version: 1003.1469v1 · doi: 10.48550/arxiv.1003.1469 · pith_short_12: STDJAQYARKRX · pith_short_16: STDJAQYARKRXJNHI · pith_short_8: STDJAQYA

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/STDJAQYARKRXJNHIOHMUWUOTAH \
  | 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: 94c69043008aa374b4e871d94b51d301fc440673960e695cc680d2d795c24e56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d96467d1cc4a732613ed7b825a13520ccf401818d5108c19458107d806a55c24",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-03-07T13:56:42Z",
    "title_canon_sha256": "dc888cd8c83c55e0e4af974fae555faa4dc27dcbe9be170e003ee55c4b806ecc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.1469",
    "kind": "arxiv",
    "version": 1
  }
}