Pith Number

pith:6NJOUX5D

pith:2012:6NJOUX5DK2QCFC5MXV23TZQD65

not attested not anchored not stored refs pending

Sur la pr\'eservation de la coh\'erence par image inverse extraordinaire par une immersion ferm\'ee

Daniel Caro

arxiv:1207.0714 v3 · 2012-07-03 · math.AG · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6NJOUX5DK2QCFC5MXV23TZQD65}

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	2026-05-18T03:44:02.268891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f352ea5fa356a0228bacbd75b9e603f76de51865bef19da30624dbe014d25f6e

Aliases

arxiv: 1207.0714 · arxiv_version: 1207.0714v3 · doi: 10.48550/arxiv.1207.0714 · pith_short_12: 6NJOUX5DK2QC · pith_short_16: 6NJOUX5DK2QCFC5M · pith_short_8: 6NJOUX5D

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/6NJOUX5DK2QCFC5MXV23TZQD65 \
  | 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: f352ea5fa356a0228bacbd75b9e603f76de51865bef19da30624dbe014d25f6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34b1bbfaf8cb100f76bee03ed7a2e0cac97b3b9ddd76d7b41d4ae711ba825cd7",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-07-03T15:31:38Z",
    "title_canon_sha256": "b97d203cd9a680bf6d2a4256848ead738be6e94c3a7dca8a0f0cbba733a73a45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0714",
    "kind": "arxiv",
    "version": 3
  }
}