Pith Number

pith:OHZSI6KM

pith:2008:OHZSI6KMJXJ33RIDH4BG5UZ4BD

not attested not anchored not stored refs pending

Link concordance and generalized doubling operators

Constance Leidy (Wesleyan University), Shelly Harvey (Rice University), Tim Cochran (Rice University)

arxiv:0801.3677 v2 · 2008-01-23 · 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{OHZSI6KMJXJ33RIDH4BG5UZ4BD}

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	2026-05-18T02:41:51.821381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71f324794c4dd3bdc5033f026ed33c08edd940e1cf04ec2747e8f54f417ee6ee

Aliases

arxiv: 0801.3677 · arxiv_version: 0801.3677v2 · doi: 10.48550/arxiv.0801.3677 · pith_short_12: OHZSI6KMJXJ3 · pith_short_16: OHZSI6KMJXJ33RID · pith_short_8: OHZSI6KM

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/OHZSI6KMJXJ33RIDH4BG5UZ4BD \
  | 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: 71f324794c4dd3bdc5033f026ed33c08edd940e1cf04ec2747e8f54f417ee6ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e28bed0c932fdf05385eb0e2e4c2f4a1b20eed6fdc6bd5065a58a513f73a3489",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2008-01-23T21:43:02Z",
    "title_canon_sha256": "e6845cfa33c9ec5a113afcfdb998209862a07a88fe6dddfb410add760280c54f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.3677",
    "kind": "arxiv",
    "version": 2
  }
}