Pith Number

pith:7D6AAZMT

pith:2017:7D6AAZMT2MX7PM2PARQEWOYGR2

not attested not anchored not stored refs pending

Interpreter fr topologists

Jindrich Zapletal

arxiv:1711.08962 v1 · 2017-11-24 · 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{7D6AAZMT2MX7PM2PARQEWOYGR2}

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	2026-05-18T00:29:41.608678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8fc006593d32ff7b34f04604b3b068e83b6a7f26145b298b1471ff6cbb446f3

Aliases

arxiv: 1711.08962 · arxiv_version: 1711.08962v1 · doi: 10.48550/arxiv.1711.08962 · pith_short_12: 7D6AAZMT2MX7 · pith_short_16: 7D6AAZMT2MX7PM2P · pith_short_8: 7D6AAZMT

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/7D6AAZMT2MX7PM2PARQEWOYGR2 \
  | 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: f8fc006593d32ff7b34f04604b3b068e83b6a7f26145b298b1471ff6cbb446f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3166324d7265eeed9d82795724c65c46d0b6ffdb381616bc2e6d57f6f078ee64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-11-24T13:51:01Z",
    "title_canon_sha256": "43e35bc59787f30f8df6442d76b06ee474f3c2c774769258a3daa61f4f8c9315"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08962",
    "kind": "arxiv",
    "version": 1
  }
}