Pith Number

pith:OGRKA76D

pith:2015:OGRKA76DJKHIWLUW62VJOHKE2M

not attested not anchored not stored refs pending

Semi-continuity of Stability for Sheaves and Variation of Gieseker Moduli Spaces

Daniel Greb, Julius Ross, Matei Toma

arxiv:1501.04440 v2 · 2015-01-19 · math.AG · math.CV · 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{OGRKA76DJKHIWLUW62VJOHKE2M}

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	2026-05-17T23:42:09.180530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71a2a07fc34a8e8b2e96f6aa971d44d3229c02a3955ab0b8e70a692607eaad69

Aliases

arxiv: 1501.04440 · arxiv_version: 1501.04440v2 · doi: 10.48550/arxiv.1501.04440 · pith_short_12: OGRKA76DJKHI · pith_short_16: OGRKA76DJKHIWLUW · pith_short_8: OGRKA76D

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/OGRKA76DJKHIWLUW62VJOHKE2M \
  | 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: 71a2a07fc34a8e8b2e96f6aa971d44d3229c02a3955ab0b8e70a692607eaad69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e3b7428af36f397bfaf6837dc9649ed408ec982b959424dfb8a3215a514e27e",
    "cross_cats_sorted": [
      "math.CV",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-01-19T10:20:03Z",
    "title_canon_sha256": "1a7eafa63e6d6bc98f08507c53295a1943707ab6dc2affc5f1befef99f0da194"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04440",
    "kind": "arxiv",
    "version": 2
  }
}