Pith Number

pith:4R3EQ6JS

pith:2022:4R3EQ6JSDYBHUDQLNMGKAA4NAV

not attested not anchored not stored refs pending

A moving lemma for cohomology with support

Stefan Schreieder

arxiv:2207.08297 v3 · 2022-07-17 · math.AG · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4R3EQ6JSDYBHUDQLNMGKAA4NAV}

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	2026-05-20T14:03:15.809606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4764879321e027a0e0b6b0ca0038d0551cd2efe3fab4f999440bb9db3de5c7b

Aliases

arxiv: 2207.08297 · arxiv_version: 2207.08297v3 · doi: 10.48550/arxiv.2207.08297 · pith_short_12: 4R3EQ6JSDYBH · pith_short_16: 4R3EQ6JSDYBHUDQL · pith_short_8: 4R3EQ6JS

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/4R3EQ6JSDYBHUDQLNMGKAA4NAV \
  | 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: e4764879321e027a0e0b6b0ca0038d0551cd2efe3fab4f999440bb9db3de5c7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8afb0fb40d887ff1242d3e52cf5db134dc680438c4c527ade777c59ee6ae1db9",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2022-07-17T21:28:47Z",
    "title_canon_sha256": "8bf9f8264ff3eb523360c46721f7426454bbfee67536039a71148e1b68057e1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.08297",
    "kind": "arxiv",
    "version": 3
  }
}