Pith Number

pith:IAP2WWBN

pith:2017:IAP2WWBNJFNX2GKSCFM3QUP76Z

not attested not anchored not stored refs pending

Taut branched surfaces from veering triangulations

Michael Landry

arxiv:1703.00336 v2 · 2017-03-01 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IAP2WWBNJFNX2GKSCFM3QUP76Z}

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	2026-05-18T00:20:56.632817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

401fab582d495b7d19521159b851fff6681a46c77852bb22c112b6a90dcd225d

Aliases

arxiv: 1703.00336 · arxiv_version: 1703.00336v2 · doi: 10.48550/arxiv.1703.00336 · pith_short_12: IAP2WWBNJFNX · pith_short_16: IAP2WWBNJFNX2GKS · pith_short_8: IAP2WWBN

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/IAP2WWBNJFNX2GKSCFM3QUP76Z \
  | 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: 401fab582d495b7d19521159b851fff6681a46c77852bb22c112b6a90dcd225d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49889ad612ee76bd0b47c619840896d7f22b1ac2d405311d4b9b36eb8ed149cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-03-01T15:11:42Z",
    "title_canon_sha256": "12779556f6ad732d1db9c3d124ce5b8708911fe22b9c81e2f12770ee1976e40e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00336",
    "kind": "arxiv",
    "version": 2
  }
}