Pith Number

pith:FIZ5L3QV

pith:2017:FIZ5L3QVZ5QWTBXAXOUBRSCMN5

not attested not anchored not stored refs pending

The join construction

Egbert Rijke

arxiv:1701.07538 v1 · 2017-01-26 · math.CT · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FIZ5L3QVZ5QWTBXAXOUBRSCMN5}

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.

Cited by

2 papers in Pith

Constructive higher sheaf models with applications to synthetic mathematics

Receipt and verification

First computed	2026-05-18T00:52:03.209754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a33d5ee15cf616986e0bba818c84c6f7087bd7d097464212e6a0315d5553067

Aliases

arxiv: 1701.07538 · arxiv_version: 1701.07538v1 · doi: 10.48550/arxiv.1701.07538 · pith_short_12: FIZ5L3QVZ5QW · pith_short_16: FIZ5L3QVZ5QWTBXA · pith_short_8: FIZ5L3QV

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/FIZ5L3QVZ5QWTBXAXOUBRSCMN5 \
  | 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: 2a33d5ee15cf616986e0bba818c84c6f7087bd7d097464212e6a0315d5553067

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "807e4ba88f77e68effda9ed6f86fee1299d2de9358d2d5dd08d78638697afcb5",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2017-01-26T01:31:53Z",
    "title_canon_sha256": "2a2ed78464962c612afbb5eb3ef11950062a2ba368091b7c166295646639e5dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07538",
    "kind": "arxiv",
    "version": 1
  }
}