Pith Number

pith:TFJE6N7D

pith:2021:TFJE6N7DQFSKNIEZHSIMBAULNI

not attested not anchored not stored refs pending

Computability models over categories

Iosif Petrakis

arxiv:2105.06933 v1 · 2021-05-14 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TFJE6N7DQFSKNIEZHSIMBAULNI}

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	2026-07-05T02:40:23.160423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99524f37e38164a6a0993c90c0828b6a21bfc28440eab646117632d9bed74c5d

Aliases

arxiv: 2105.06933 · arxiv_version: 2105.06933v1 · doi: 10.48550/arxiv.2105.06933 · pith_short_12: TFJE6N7DQFSK · pith_short_16: TFJE6N7DQFSKNIEZ · pith_short_8: TFJE6N7D

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/TFJE6N7DQFSKNIEZHSIMBAULNI \
  | 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: 99524f37e38164a6a0993c90c0828b6a21bfc28440eab646117632d9bed74c5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9fe8cf790ff1c21029ddb10460fdec61eb74108f48781e13917e19375787fa2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2021-05-14T16:23:20Z",
    "title_canon_sha256": "422881571dbdc869ce8488dfd0b2f9c10c9942e3b4fbfda13c0ee8fb6033bf4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.06933",
    "kind": "arxiv",
    "version": 1
  }
}