Pith Number

pith:A5NRBYSY

pith:2016:A5NRBYSYMKZF2YBIWDVMW2LJRK

not attested not anchored not stored refs pending

On incomplete and synchronizing finite sets

Arturo Carpi, Flavio D'Alessandro

arxiv:1612.07881 v1 · 2016-12-23 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A5NRBYSYMKZF2YBIWDVMW2LJRK}

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	2026-05-18T00:54:05.471947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

075b10e25862b25d6028b0eacb69698abaa57f957a3df5cad3bf35c492225c98

Aliases

arxiv: 1612.07881 · arxiv_version: 1612.07881v1 · doi: 10.48550/arxiv.1612.07881 · pith_short_12: A5NRBYSYMKZF · pith_short_16: A5NRBYSYMKZF2YBI · pith_short_8: A5NRBYSY

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/A5NRBYSYMKZF2YBIWDVMW2LJRK \
  | 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: 075b10e25862b25d6028b0eacb69698abaa57f957a3df5cad3bf35c492225c98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cf23f6e822fac10636a77c0ce6894d0291425714a2cc04ab9167b0bcd074eac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2016-12-23T05:56:52Z",
    "title_canon_sha256": "06541b65e76e9a83ccf58b1168aacf1055f94a6e8f50fa1a105ffe15e01c22b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07881",
    "kind": "arxiv",
    "version": 1
  }
}