Pith Number

pith:BNL452DA

pith:2017:BNL452DATEO26VQZUOBEGJS6LV

not attested not anchored not stored refs pending

Overconvergent de Rham-Witt cohomology for semistable varieties

Andreas Langer, Oliver Gregory

arxiv:1711.09943 v2 · 2017-11-27 · 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{BNL452DATEO26VQZUOBEGJS6LV}

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	2026-07-05T01:13:04.384727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b57cee860991daf5619a38243265e5d5dff30cdc904fbd00e83c07703291906

Aliases

arxiv: 1711.09943 · arxiv_version: 1711.09943v2 · doi: 10.48550/arxiv.1711.09943 · pith_short_12: BNL452DATEO2 · pith_short_16: BNL452DATEO26VQZ · pith_short_8: BNL452DA

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/BNL452DATEO26VQZUOBEGJS6LV \
  | 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: 0b57cee860991daf5619a38243265e5d5dff30cdc904fbd00e83c07703291906

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f134bbd575fb5a7a05c13184da28c91841a6cde3f87add930016dcffb18c022",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-11-27T19:30:26Z",
    "title_canon_sha256": "85d406b721c45a4bffeb29d921ea656072ccbf015b0cfa3358fb32e2b6123e5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09943",
    "kind": "arxiv",
    "version": 2
  }
}