Pith Number

pith:5IPIMTTJ

pith:2017:5IPIMTTJQ3KF7VCTQXLVZENSJ7

not attested not anchored not stored refs pending

Reversibility of Disconnected Structures

Milo\v{s} S. Kurili\'c, Nenad Mora\v{c}a

arxiv:1711.01426 v1 · 2017-11-04 · 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{5IPIMTTJQ3KF7VCTQXLVZENSJ7}

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	2026-05-18T00:31:17.906916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea1e864e6986d45fd45385d75c91b24fd8d7954cb7da1496e741c7eddc61c7b2

Aliases

arxiv: 1711.01426 · arxiv_version: 1711.01426v1 · doi: 10.48550/arxiv.1711.01426 · pith_short_12: 5IPIMTTJQ3KF · pith_short_16: 5IPIMTTJQ3KF7VCT · pith_short_8: 5IPIMTTJ

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/5IPIMTTJQ3KF7VCTQXLVZENSJ7 \
  | 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: ea1e864e6986d45fd45385d75c91b24fd8d7954cb7da1496e741c7eddc61c7b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4f9a71ce9da7d847ad5ae6249a85e1b1fab317bfa7c36f28d16736d11ee3626",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-11-04T11:57:50Z",
    "title_canon_sha256": "4a6bd07a549f4ddbac5527c055da850df3dccbc9cedebf43ddd3e3a1cfb15d76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01426",
    "kind": "arxiv",
    "version": 1
  }
}