Pith Number

pith:YCEYXM47

pith:2003:YCEYXM472YCGEGM5ODPJN2Q7CG

not attested not anchored not stored refs pending

Espaces profinis et problemes de realisabilite

Francois-Xavier Dehon, Gerald Gaudens

arxiv:math/0306271 v1 · 2003-06-18 · 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{YCEYXM472YCGEGM5ODPJN2Q7CG}

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	2026-05-18T02:41:32.663603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0898bb39fd60462199d70de96ea1f11a942ef52493501bc65a00c097613b1d1

Aliases

arxiv: math/0306271 · arxiv_version: math/0306271v1 · doi: 10.48550/arxiv.math/0306271 · pith_short_12: YCEYXM472YCG · pith_short_16: YCEYXM472YCGEGM5 · pith_short_8: YCEYXM47

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/YCEYXM472YCGEGM5ODPJN2Q7CG \
  | 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: c0898bb39fd60462199d70de96ea1f11a942ef52493501bc65a00c097613b1d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21140df479734e32f1d76561a6dd0e7c6debcfa3a8517b8de11534eb7447bd08",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AT",
    "submitted_at": "2003-06-18T16:30:36Z",
    "title_canon_sha256": "ae10a0c1dea1eb83b0160313db237b7d531c2223fab3e5debad6f78068cc9510"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0306271",
    "kind": "arxiv",
    "version": 1
  }
}