Pith Number

pith:64UR5PLD

pith:2011:64UR5PLDHUJDOZNE2EZKW5DXLL

not attested not anchored not stored refs pending

Computing with space: a tangle formalism for chora and difference

Marius Buliga

arxiv:1103.6007 v2 · 2011-03-30 · math.MG · cs.LO · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{64UR5PLDHUJDOZNE2EZKW5DXLL}

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	2026-05-18T04:23:45.129576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7291ebd633d123765a4d132ab74775aede9a76750898a05d09fe802eb9d958c

Aliases

arxiv: 1103.6007 · arxiv_version: 1103.6007v2 · doi: 10.48550/arxiv.1103.6007 · pith_short_12: 64UR5PLDHUJD · pith_short_16: 64UR5PLDHUJDOZNE · pith_short_8: 64UR5PLD

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/64UR5PLDHUJDOZNE2EZKW5DXLL \
  | 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: f7291ebd633d123765a4d132ab74775aede9a76750898a05d09fe802eb9d958c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23637757b133cad05b0427e321f5dc476118a1250c6c97a41c0af2c655f3f83d",
    "cross_cats_sorted": [
      "cs.LO",
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2011-03-30T18:06:30Z",
    "title_canon_sha256": "9cf7a60a97af4cc5805759dc46e029c886bd2a4027e3a46cd2e563b7c8e775bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.6007",
    "kind": "arxiv",
    "version": 2
  }
}