Pith Number

pith:CTLREZJM

pith:2014:CTLREZJM3TLW4TWHRUCKP3HTCV

not attested not anchored not stored refs pending

Stacks of algebras and their homology

Birge Huisgen-Zimmermann, Nancy Heinschel

arxiv:1407.2661 v1 · 2014-07-10 · math.RA · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CTLREZJM3TLW4TWHRUCKP3HTCV}

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	2026-05-18T02:47:53.998032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14d712652cdcd76e4ec78d04a7ecf315426cd70df15ee033936ea2b72118bea0

Aliases

arxiv: 1407.2661 · arxiv_version: 1407.2661v1 · doi: 10.48550/arxiv.1407.2661 · pith_short_12: CTLREZJM3TLW · pith_short_16: CTLREZJM3TLW4TWH · pith_short_8: CTLREZJM

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/CTLREZJM3TLW4TWHRUCKP3HTCV \
  | 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: 14d712652cdcd76e4ec78d04a7ecf315426cd70df15ee033936ea2b72118bea0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "407925890519d8549c6c13789c0d3862dee268d3d951fd46b1cfefb9207edcfa",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-07-10T00:54:57Z",
    "title_canon_sha256": "c7295a9fef881b920cd3154216c62f29c3f672d82c460e694dc61d7fec0025d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2661",
    "kind": "arxiv",
    "version": 1
  }
}