Pith Number

pith:DOFV6SSM

pith:2008:DOFV6SSMIH45GTBFUQAJNH35S3

not attested not anchored not stored refs pending

Complexity of PL-manifolds

Bruno Martelli

arxiv:0810.5478 v2 · 2008-10-30 · math.GT · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DOFV6SSMIH45GTBFUQAJNH35S3}

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	2026-05-18T04:14:15.326630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b8b5f4a4c41f9d34c25a400969f7d96ea71656f5bca6873dfb3d2d184eac4bb

Aliases

arxiv: 0810.5478 · arxiv_version: 0810.5478v2 · doi: 10.48550/arxiv.0810.5478 · pith_short_12: DOFV6SSMIH45 · pith_short_16: DOFV6SSMIH45GTBF · pith_short_8: DOFV6SSM

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/DOFV6SSMIH45GTBFUQAJNH35S3 \
  | 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: 1b8b5f4a4c41f9d34c25a400969f7d96ea71656f5bca6873dfb3d2d184eac4bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af059156c6a0453f5f52399f841e84a811b8e5f1e94d9fb649048511e4c56537",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2008-10-30T12:30:49Z",
    "title_canon_sha256": "5a5b20cdd373aff0ef277817b95792d3d11bcda2f0ac8759b4bf129441761870"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.5478",
    "kind": "arxiv",
    "version": 2
  }
}