Pith Number

pith:S3RP7EMC

pith:2015:S3RP7EMCLHMT77PCKH4DIY4OFJ

not attested not anchored not stored refs pending

Homology over trivial extensions of commutative DG algebras

Luchezar L. Avramov, Saeed Nasseh, Sean Sather-Wagstaff, Srikanth B. Iyengar

arxiv:1508.00748 v1 · 2015-08-04 · 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{S3RP7EMCLHMT77PCKH4DIY4OFJ}

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	2026-05-18T01:35:53.439557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96e2ff918259d93ffde251f834638e2a57f073b8d6af24e3438f763750bc5fb7

Aliases

arxiv: 1508.00748 · arxiv_version: 1508.00748v1 · doi: 10.48550/arxiv.1508.00748 · pith_short_12: S3RP7EMCLHMT · pith_short_16: S3RP7EMCLHMT77PC · pith_short_8: S3RP7EMC

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/S3RP7EMCLHMT77PCKH4DIY4OFJ \
  | 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: 96e2ff918259d93ffde251f834638e2a57f073b8d6af24e3438f763750bc5fb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f657743277c38f55fcc01b270cdc33889c42d0d8670a8dff5a8c5588da04b27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2015-08-04T12:25:22Z",
    "title_canon_sha256": "843cd6ea57f28253c4a609dfe16a5569851eb3b30e8f4ffa1709ba975cfa00e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00748",
    "kind": "arxiv",
    "version": 1
  }
}