Pith Number

pith:26OIXDNY

pith:2014:26OIXDNYQ3NXNTKDQWHGYGEZH4

not attested not anchored not stored refs pending

Generalized Vietoris Bisimulations

Sebastian Enqvist, Sumit Sourabh

arxiv:1412.4586 v1 · 2014-12-15 · cs.LO · 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{26OIXDNYQ3NXNTKDQWHGYGEZH4}

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	2026-05-18T00:19:04.812001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d79c8b8db886db76cd43858e6c18993f23e61df749d33e26aac16df45d7369ef

Aliases

arxiv: 1412.4586 · arxiv_version: 1412.4586v1 · doi: 10.48550/arxiv.1412.4586 · pith_short_12: 26OIXDNYQ3NX · pith_short_16: 26OIXDNYQ3NXNTKD · pith_short_8: 26OIXDNY

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/26OIXDNYQ3NXNTKDQWHGYGEZH4 \
  | 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: d79c8b8db886db76cd43858e6c18993f23e61df749d33e26aac16df45d7369ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c349f9ed5774fa952fa7d8905dbe7c420b5d1532eed16dae12238d8b2e490630",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-12-15T13:43:47Z",
    "title_canon_sha256": "0b3f8a515f14962b7b98eb790e29cc1626dce755e4bcce0251b7b9b7d4f08b91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4586",
    "kind": "arxiv",
    "version": 1
  }
}