Pith Number

pith:QMLDAMSE

pith:2006:QMLDAMSEVE232RDAXFC53HEKXI

not attested not anchored not stored refs pending

SPM Bulletin 18

Boaz Tsaban

arxiv:math/0609401 v2 · 2006-09-14 · math.GN · math.CO · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QMLDAMSEVE232RDAXFC53HEKXI}

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	2026-05-18T04:15:48.387659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8316303244a935bd4460b945dd9c8aba0660f079eec359cc7e759c9a94c9f045

Aliases

arxiv: math/0609401 · arxiv_version: math/0609401v2 · doi: 10.48550/arxiv.math/0609401 · pith_short_12: QMLDAMSEVE23 · pith_short_16: QMLDAMSEVE232RDA · pith_short_8: QMLDAMSE

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/QMLDAMSEVE232RDAXFC53HEKXI \
  | 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: 8316303244a935bd4460b945dd9c8aba0660f079eec359cc7e759c9a94c9f045

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e9614fbbb78615c3c7b62cca7b87542372ed65b9fc00f96f4b481fac1629577",
    "cross_cats_sorted": [
      "math.CO",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2006-09-14T13:29:46Z",
    "title_canon_sha256": "495f78864b32d0115726ab26f7d6241108da7413a06a717204a8e39e86ea4d58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0609401",
    "kind": "arxiv",
    "version": 2
  }
}