Pith Number

pith:TR474YQG

pith:2007:TR474YQGWRLOOEILZO2SCFBT4Q

not attested not anchored not stored refs pending

On a conjecture of Daniel H. Gottlieb

Andreas Thom (Georg-August-Universitaet Goettingen), Thomas Schick (Georg-August-Universitaet Goettingen)

arxiv:math/0702826 v2 · 2007-02-27 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TR474YQGWRLOOEILZO2SCFBT4Q}

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	2026-05-18T02:41:26.550465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c79fe6206b456e7110bcbb5211433e4140aa7d0f4b1ff58b590bbcf399d5741

Aliases

arxiv: math/0702826 · arxiv_version: math/0702826v2 · doi: 10.48550/arxiv.math/0702826 · pith_short_12: TR474YQGWRLO · pith_short_16: TR474YQGWRLOOEIL · pith_short_8: TR474YQG

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/TR474YQGWRLOOEILZO2SCFBT4Q \
  | 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: 9c79fe6206b456e7110bcbb5211433e4140aa7d0f4b1ff58b590bbcf399d5741

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcbe4cda86e0a1a442294aab61416155b6aff33b683aa93b6e57bdf219202217",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AT",
    "submitted_at": "2007-02-27T12:43:12Z",
    "title_canon_sha256": "81f3082118516ee70240208c3009d489c7907cb6a51659dd4262e480e2192d8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0702826",
    "kind": "arxiv",
    "version": 2
  }
}