Pith Number

pith:ODJDQXX4

pith:2018:ODJDQXX4DM2RJDUYVDCFZNUWMH

not attested not anchored not stored refs pending

Level three structures

Neil Strickland

arxiv:1803.09962 v1 · 2018-03-27 · math.AG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ODJDQXX4DM2RJDUYVDCFZNUWMH}

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	2026-05-18T00:20:00.923527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70d2385efc1b35148e98a8c45cb69661f0f075ae1ae234e9d0cdc6d96331d9f9

Aliases

arxiv: 1803.09962 · arxiv_version: 1803.09962v1 · doi: 10.48550/arxiv.1803.09962 · pith_short_12: ODJDQXX4DM2R · pith_short_16: ODJDQXX4DM2RJDUY · pith_short_8: ODJDQXX4

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/ODJDQXX4DM2RJDUYVDCFZNUWMH \
  | 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: 70d2385efc1b35148e98a8c45cb69661f0f075ae1ae234e9d0cdc6d96331d9f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ae0b1e8d0b1dd8809eee752b35d871a8227ecce737d44aa4d10c03666472a1f",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-03-27T08:49:09Z",
    "title_canon_sha256": "0884760cb55d7f45f69dc5901e46292b6aa1d95d78d61372d69c03a546d84e71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09962",
    "kind": "arxiv",
    "version": 1
  }
}