Pith Number

pith:YAFZP3AN

pith:2025:YAFZP3AN2Q7ICL2GS32N5HUIHR

not attested not anchored not stored refs pending

Additivity of non-acyclicity classes for constructible \'etale sheaves

Jiangnan Xiong

arxiv:2505.24345 v1 · 2025-05-30 · math.AG · math.CT · 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{YAFZP3AN2Q7ICL2GS32N5HUIHR}

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	2026-07-05T11:12:47.239401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c00b97ec0dd43e812f4696f4de9e883c48c24e34ec20c08ef4fef73595e2de56

Aliases

arxiv: 2505.24345 · arxiv_version: 2505.24345v1 · doi: 10.48550/arxiv.2505.24345 · pith_short_12: YAFZP3AN2Q7I · pith_short_16: YAFZP3AN2Q7ICL2G · pith_short_8: YAFZP3AN

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/YAFZP3AN2Q7ICL2GS32N5HUIHR \
  | 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: c00b97ec0dd43e812f4696f4de9e883c48c24e34ec20c08ef4fef73595e2de56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "decf401a16651912dd11050e849af3b79d4a7fa96cc8b8bf8285e9f3dd0d9609",
    "cross_cats_sorted": [
      "math.CT",
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-05-30T08:36:45Z",
    "title_canon_sha256": "e517986619627a49f91dc3eead0b8105e5f8d01a5240d547068ba5c5abc53261"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.24345",
    "kind": "arxiv",
    "version": 1
  }
}