Pith Number

pith:UO6MVS7O

pith:2019:UO6MVS7OVHLJ657P2CZB2VKOPX

not attested not anchored not stored refs pending

Hereditary classes of ordered binary structures

Djamila Oudrar

arxiv:1901.09363 v1 · 2019-01-27 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UO6MVS7OVHLJ657P2CZB2VKOPX}

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	2026-05-17T23:55:25.000356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3bccacbeea9d69f77efd0b21d554e7dd987071c146ef70f7eb10a1032da3884

Aliases

arxiv: 1901.09363 · arxiv_version: 1901.09363v1 · doi: 10.48550/arxiv.1901.09363 · pith_short_12: UO6MVS7OVHLJ · pith_short_16: UO6MVS7OVHLJ657P · pith_short_8: UO6MVS7O

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/UO6MVS7OVHLJ657P2CZB2VKOPX \
  | 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: a3bccacbeea9d69f77efd0b21d554e7dd987071c146ef70f7eb10a1032da3884

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9df769291829d04f8f3fb0505fa634add0e54b16bf2d88678010dafbb5dfc35a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-01-27T12:09:11Z",
    "title_canon_sha256": "76efbb7d38fef9a20e83e716ee878d942db4336e00dbd763c983c32693c9c7d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09363",
    "kind": "arxiv",
    "version": 1
  }
}