Pith Number

pith:NCIAYGQC

pith:2014:NCIAYGQCKM7KAA6WKG2WCOUI3W

not attested not anchored not stored refs pending

A-infinity functors and homotopy theory of dg-categories

Giovanni Faonte

arxiv:1412.1255 v1 · 2014-12-03 · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCIAYGQCKM7KAA6WKG2WCOUI3W}

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	2026-05-18T02:32:12.985577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68900c1a02533ea003d651b5613a88dd9be94c2dddab077d5012ec4a56aedc39

Aliases

arxiv: 1412.1255 · arxiv_version: 1412.1255v1 · doi: 10.48550/arxiv.1412.1255 · pith_short_12: NCIAYGQCKM7K · pith_short_16: NCIAYGQCKM7KAA6W · pith_short_8: NCIAYGQC

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/NCIAYGQCKM7KAA6WKG2WCOUI3W \
  | 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: 68900c1a02533ea003d651b5613a88dd9be94c2dddab077d5012ec4a56aedc39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0278a6507cfb26b3e711b64f527388c910a38e8fbd4f7502227808f7c16dcfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2014-12-03T10:04:19Z",
    "title_canon_sha256": "b502c9562d6fb44db4e83cae2c8881338af9fc8e22bb28919ed6defe8d05ff2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1255",
    "kind": "arxiv",
    "version": 1
  }
}