Pith Number

pith:HB3AELI6

pith:2016:HB3AELI6JUR7KRXOUZLJWDKKPU

not attested not anchored not stored refs pending

The polymake XML file format

Ewgenij Gawrilow, Michael Joswig, Simon Hampe

arxiv:1605.05057 v1 · 2016-05-17 · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HB3AELI6JUR7KRXOUZLJWDKKPU}

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	2026-05-18T01:14:37.549799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3876022d1e4d23f546eea6569b0d4a7d2860d0cdb27186f3c373c8e4811323d5

Aliases

arxiv: 1605.05057 · arxiv_version: 1605.05057v1 · doi: 10.48550/arxiv.1605.05057 · pith_short_12: HB3AELI6JUR7 · pith_short_16: HB3AELI6JUR7KRXO · pith_short_8: HB3AELI6

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/HB3AELI6JUR7KRXOUZLJWDKKPU \
  | 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: 3876022d1e4d23f546eea6569b0d4a7d2860d0cdb27186f3c373c8e4811323d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3aedc9471456a05991173dacdc307456edf10fa1bc45fc135d3cd15bedd0f30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2016-05-17T08:40:14Z",
    "title_canon_sha256": "47f23e3b439a354aecb52a87dad5b18d0afa64806af30feaf05fa61cba6f9ae6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.05057",
    "kind": "arxiv",
    "version": 1
  }
}