Pith Number

pith:NT623JMA

pith:2017:NT623JMAKMUNQS4G3C7KYY7ROH

not attested not anchored not stored refs pending

Extension of holomorphic functions and cohomology classes from non reduced analytic subvarieties

Jean-Pierre Demailly (IF)

arxiv:1712.04346 v1 · 2017-12-11 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NT623JMAKMUNQS4G3C7KYY7ROH}

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	2026-05-18T00:28:08.257976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cfdada5805328d84b86d8beac63f171e7153a98e99c613d37f592728aec5735

Aliases

arxiv: 1712.04346 · arxiv_version: 1712.04346v1 · doi: 10.48550/arxiv.1712.04346 · pith_short_12: NT623JMAKMUN · pith_short_16: NT623JMAKMUNQS4G · pith_short_8: NT623JMA

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/NT623JMAKMUNQS4G3C7KYY7ROH \
  | 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: 6cfdada5805328d84b86d8beac63f171e7153a98e99c613d37f592728aec5735

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "531f4acfc2739292dd3543728c53e76cf925c3c19a83c968f23643d984cf3ae6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-12-11T12:19:53Z",
    "title_canon_sha256": "60e9b2dcc5cb44cd9e04f86c0cfd2d7ca6f26f06e7b0848807636ab951895460"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04346",
    "kind": "arxiv",
    "version": 1
  }
}