Pith Number

pith:7PD4OZT3

pith:2015:7PD4OZT3PUNDSHWF566P43MP7H

not attested not anchored not stored refs pending

Stable Local Cohomology

Peder Thompson

arxiv:1503.01536 v1 · 2015-03-05 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PD4OZT3PUNDSHWF566P43MP7H}

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	2026-05-18T00:35:05.770036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbc7c7667b7d1a391ec5efbcfe6d8ff9c6806d690f89458f7eb002a57a86f5cf

Aliases

arxiv: 1503.01536 · arxiv_version: 1503.01536v1 · doi: 10.48550/arxiv.1503.01536 · pith_short_12: 7PD4OZT3PUND · pith_short_16: 7PD4OZT3PUNDSHWF · pith_short_8: 7PD4OZT3

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/7PD4OZT3PUNDSHWF566P43MP7H \
  | 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: fbc7c7667b7d1a391ec5efbcfe6d8ff9c6806d690f89458f7eb002a57a86f5cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d60689eca0e21c164cd5ef3c60237da0ef2139ec8dfaa711a10ad68f7356e9c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2015-03-05T04:41:24Z",
    "title_canon_sha256": "ad9f46feecc5f594cb35e3c14e77338b10b96ff20c4f965e281398af6947d0f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01536",
    "kind": "arxiv",
    "version": 1
  }
}