Pith Number

pith:5RKWZ7TH

pith:2016:5RKWZ7THSN4B7SK4Y7I5N2HPWY

not attested not anchored not stored refs pending

The software package SpectralSequences

Adam Boocher, Elo\'isa Grifo, Nathan Grieve

arxiv:1610.05338 v1 · 2016-10-17 · 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{5RKWZ7THSN4B7SK4Y7I5N2HPWY}

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	2026-05-18T01:01:59.604262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec556cfe6793781fc95cc7d1d6e8efb60cb5ce51e29c86a798a5ba02d1c15a9c

Aliases

arxiv: 1610.05338 · arxiv_version: 1610.05338v1 · doi: 10.48550/arxiv.1610.05338 · pith_short_12: 5RKWZ7THSN4B · pith_short_16: 5RKWZ7THSN4B7SK4 · pith_short_8: 5RKWZ7TH

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/5RKWZ7THSN4B7SK4Y7I5N2HPWY \
  | 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: ec556cfe6793781fc95cc7d1d6e8efb60cb5ce51e29c86a798a5ba02d1c15a9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a355043ca1a9e94282ffa34e9b5ce30c1babd3900db2d631b906009484caffce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2016-10-17T20:18:22Z",
    "title_canon_sha256": "a1fb2de2f920b57b2ef4a8654bbae380f096cffbc4b0c4f90fe48688f7b63020"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05338",
    "kind": "arxiv",
    "version": 1
  }
}