Pith Number

pith:IY5A2FM3

pith:2019:IY5A2FM3WWLMKT42LK6RNXI4I2

not attested not anchored not stored refs pending

Adelic cohomology

J.P.C.Greenlees

arxiv:1903.02668 v1 · 2019-03-07 · math.AC · math.AT · math.CT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IY5A2FM3WWLMKT42LK6RNXI4I2}

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	2026-05-17T23:51:51.514568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

463a0d159bb596c54f9a5abd16dd1c469b19e81aeb90f6a625299ce19b2674e4

Aliases

arxiv: 1903.02668 · arxiv_version: 1903.02668v1 · doi: 10.48550/arxiv.1903.02668 · pith_short_12: IY5A2FM3WWLM · pith_short_16: IY5A2FM3WWLMKT42 · pith_short_8: IY5A2FM3

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/IY5A2FM3WWLMKT42LK6RNXI4I2 \
  | 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: 463a0d159bb596c54f9a5abd16dd1c469b19e81aeb90f6a625299ce19b2674e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a692eafc3a40261a13c15f4ffc4fad076ea21dbc4641129599a72fbf41340457",
    "cross_cats_sorted": [
      "math.AT",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2019-03-07T00:34:51Z",
    "title_canon_sha256": "c00499e1e974042c37ba800d4def189b2a5ae9b97e7b9abf6f6fda6ca70297cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02668",
    "kind": "arxiv",
    "version": 1
  }
}