Pith Number

pith:TWTJQRZC

pith:2015:TWTJQRZCZYCDDQ43YT67NZ5PAO

not attested not anchored not stored refs pending

La formule de la trace pour les tissus planaires

Jean Paul Dufour

arxiv:1505.02184 v1 · 2015-05-01 · 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{TWTJQRZCZYCDDQ43YT67NZ5PAO}

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	2026-05-18T02:16:19.660922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9da6984722ce0431c39bc4fdf6e7af0395725e80740fd9b4bb23b5683c0d484a

Aliases

arxiv: 1505.02184 · arxiv_version: 1505.02184v1 · doi: 10.48550/arxiv.1505.02184 · pith_short_12: TWTJQRZCZYCD · pith_short_16: TWTJQRZCZYCDDQ43 · pith_short_8: TWTJQRZC

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/TWTJQRZCZYCDDQ43YT67NZ5PAO \
  | 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: 9da6984722ce0431c39bc4fdf6e7af0395725e80740fd9b4bb23b5683c0d484a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51bd0d23af2577d2df29a2504cde41f34bd7d4627a2b53a2b556ffb3fb1bcc7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-05-01T21:38:33Z",
    "title_canon_sha256": "877e89d243bdca7d8582ca900698adc1ccce9f29d5698a649d7f730b7c97422c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02184",
    "kind": "arxiv",
    "version": 1
  }
}