Pith Number

pith:XYBT3XGY

pith:2016:XYBT3XGYCRXGJJDHTLDFQH6W6O

not attested not anchored not stored refs pending

A universal property for sequential measurement

Abraham Westerbaan, Bas Westerbaan

arxiv:1603.00410 v1 · 2016-02-29 · math.OA · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XYBT3XGYCRXGJJDHTLDFQH6W6O}

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	2026-05-18T01:02:44.966233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be033ddcd8146e64a4679ac6581fd6f39f69342d69800ff225c4de6acc74dac6

Aliases

arxiv: 1603.00410 · arxiv_version: 1603.00410v1 · doi: 10.48550/arxiv.1603.00410 · pith_short_12: XYBT3XGYCRXG · pith_short_16: XYBT3XGYCRXGJJDH · pith_short_8: XYBT3XGY

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/XYBT3XGYCRXGJJDHTLDFQH6W6O \
  | 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: be033ddcd8146e64a4679ac6581fd6f39f69342d69800ff225c4de6acc74dac6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f3f71fe1124224c0491fb91784665ddc4b22567cee836af0ee1115e0763bd73",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2016-02-29T16:34:53Z",
    "title_canon_sha256": "d9817106a9f640372eaf4d2568fa78f1ea5b88fe336865e8ae01a9a143c51024"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00410",
    "kind": "arxiv",
    "version": 1
  }
}