Pith Number

pith:W3ZRZIN3

pith:2017:W3ZRZIN37IHXBCT4IEDSZGVC3S

not attested not anchored not stored refs pending

On a motivic interpretation of primitive, variable and fixed cohomology

Chris Peters

arxiv:1710.02379 v1 · 2017-10-06 · 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{W3ZRZIN37IHXBCT4IEDSZGVC3S}

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	2026-05-18T00:33:33.587645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6f31ca1bbfa0f708a7c41072c9aa2dcaccc63b9b9c3de81adda30295cf59603

Aliases

arxiv: 1710.02379 · arxiv_version: 1710.02379v1 · doi: 10.48550/arxiv.1710.02379 · pith_short_12: W3ZRZIN37IHX · pith_short_16: W3ZRZIN37IHXBCT4 · pith_short_8: W3ZRZIN3

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/W3ZRZIN37IHXBCT4IEDSZGVC3S \
  | 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: b6f31ca1bbfa0f708a7c41072c9aa2dcaccc63b9b9c3de81adda30295cf59603

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04b7112f0620170bc7472b9b8b9d4498c32b4b55df1e9a1ba522e0b881f5d675",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-10-06T12:58:29Z",
    "title_canon_sha256": "c7979ca3359ba6539b11e1f780fc4eef2858c2164cc588e2dbe1cee67059738a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.02379",
    "kind": "arxiv",
    "version": 1
  }
}