Pith Number

pith:PVRPNMYJ

pith:2016:PVRPNMYJ3ESULUDFOVDJYL3BAN

not attested not anchored not stored refs pending

On $q$-de Rham cohomology via $\Lambda$-rings

J.P.Pridham

arxiv:1608.07142 v4 · 2016-08-25 · 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{PVRPNMYJ3ESULUDFOVDJYL3BAN}

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	2026-05-17T23:56:43.257329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d62f6b309d92545d06575469c2f61035895b7c299d7df574370be063222f16f

Aliases

arxiv: 1608.07142 · arxiv_version: 1608.07142v4 · doi: 10.48550/arxiv.1608.07142 · pith_short_12: PVRPNMYJ3ESU · pith_short_16: PVRPNMYJ3ESULUDF · pith_short_8: PVRPNMYJ

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/PVRPNMYJ3ESULUDFOVDJYL3BAN \
  | 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: 7d62f6b309d92545d06575469c2f61035895b7c299d7df574370be063222f16f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35fe4328a726344e796681007426eb94c45ff696066b060f9855d5489a4e6606",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-08-25T13:42:41Z",
    "title_canon_sha256": "636ccecdcbd49893d15d4b62e4c6440ec440052d0a7cc6fc0e3a4e55b6d118b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.07142",
    "kind": "arxiv",
    "version": 4
  }
}