Pith Number

pith:DNZSCZMS

pith:2014:DNZSCZMS2XDBUSG634FXRDA6YF

not attested not anchored not stored refs pending

Unbased calculus for functors to chain complexes

Agnes Beaudry, Brenda Johnson, Kristine Bauer, Maria Basterra, Mona Merling, Rosona Eldred, Sarah Yeakel

arxiv:1409.1553 v2 · 2014-09-04 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DNZSCZMS2XDBUSG634FXRDA6YF}

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	2026-05-18T02:43:25.720033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b73216592d5c61a48dedf0b788c1ec170540f8091a64ff2bc7ebf1922869135

Aliases

arxiv: 1409.1553 · arxiv_version: 1409.1553v2 · doi: 10.48550/arxiv.1409.1553 · pith_short_12: DNZSCZMS2XDB · pith_short_16: DNZSCZMS2XDBUSG6 · pith_short_8: DNZSCZMS

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/DNZSCZMS2XDBUSG634FXRDA6YF \
  | 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: 1b73216592d5c61a48dedf0b788c1ec170540f8091a64ff2bc7ebf1922869135

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1b198257a1c7eea5810103ee33d9206ec9f63c9459b5ab6a0ee5665fcd5f7d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-09-04T19:34:01Z",
    "title_canon_sha256": "c55c8b6e728114d5bb61f0a085daedcb48ccd05fbf440b8b50c24ab17b3138bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1553",
    "kind": "arxiv",
    "version": 2
  }
}