Pith Number

pith:6VILJJXS

pith:2008:6VILJJXSL24H56Q55R3KLH2HL7

not attested not anchored not stored refs pending

String orientations of simplicial homology manifolds

Jack Morava

arxiv:0807.1911 v2 · 2008-07-11 · math.AT · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6VILJJXSL24H56Q55R3KLH2HL7}

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	2026-05-18T04:21:12.501442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f550b4a6f25eb87efa1dec76a59f475fe96708b210455822834045ccab5e2a9f

Aliases

arxiv: 0807.1911 · arxiv_version: 0807.1911v2 · doi: 10.48550/arxiv.0807.1911 · pith_short_12: 6VILJJXSL24H · pith_short_16: 6VILJJXSL24H56Q5 · pith_short_8: 6VILJJXS

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/6VILJJXSL24H56Q55R3KLH2HL7 \
  | 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: f550b4a6f25eb87efa1dec76a59f475fe96708b210455822834045ccab5e2a9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f38f6508c196b46a7f0bd3b2137f5705c3b98bb1aad9a9876560d724a7c2f303",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2008-07-11T18:53:36Z",
    "title_canon_sha256": "80a3c518b9232bc5e9ac27b15ca9fca0ad30672a073f319242252971a18f31b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.1911",
    "kind": "arxiv",
    "version": 2
  }
}