Pith Number

pith:7RLJZ6DG

pith:2009:7RLJZ6DGFUEEXPCJ4L5W3KFKXJ

not attested not anchored not stored refs pending

Uniqueness of static decompositions

Benjam\'in Olea, Manuel Guti\'errez

arxiv:0910.4933 v2 · 2009-10-26 · 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{7RLJZ6DGFUEEXPCJ4L5W3KFKXJ}

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	2026-05-18T02:47:06.037203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc569cf8662d084bbc49e2fb6da8aaba730eb70b248c7ebfc4fe50c250ed3bb1

Aliases

arxiv: 0910.4933 · arxiv_version: 0910.4933v2 · doi: 10.48550/arxiv.0910.4933 · pith_short_12: 7RLJZ6DGFUEE · pith_short_16: 7RLJZ6DGFUEEXPCJ · pith_short_8: 7RLJZ6DG

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/7RLJZ6DGFUEEXPCJ4L5W3KFKXJ \
  | 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: fc569cf8662d084bbc49e2fb6da8aaba730eb70b248c7ebfc4fe50c250ed3bb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23577fb1f055b01e1590168eb2c67bdebb6b7b81602176da6c5cc5dde87d7fbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-10-26T17:19:39Z",
    "title_canon_sha256": "c5c9aa01a06a27507a291b93f60edfddd7f06eefd9379280c380f7bde1ae3e03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4933",
    "kind": "arxiv",
    "version": 2
  }
}