Pith Number

pith:LK7T4TY3

pith:2015:LK7T4TY3PSGGDERE5QMKAWV7SR

not attested not anchored not stored refs pending

Functors between Reedy model categories of diagrams

Ismar Volic, Philip S. Hirschhorn

arxiv:1511.04809 v3 · 2015-11-16 · 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{LK7T4TY3PSGGDERE5QMKAWV7SR}

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	2026-05-17T23:51:15.102087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5abf3e4f1b7c8c619224ec18a05abf9459a46871c6e2c9c553e9c5f6224c949e

Aliases

arxiv: 1511.04809 · arxiv_version: 1511.04809v3 · doi: 10.48550/arxiv.1511.04809 · pith_short_12: LK7T4TY3PSGG · pith_short_16: LK7T4TY3PSGGDERE · pith_short_8: LK7T4TY3

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/LK7T4TY3PSGGDERE5QMKAWV7SR \
  | 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: 5abf3e4f1b7c8c619224ec18a05abf9459a46871c6e2c9c553e9c5f6224c949e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9a88897a1eb06727811841d8abc32cb999855bdc912238a8ee8dfb990a3e139",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2015-11-16T03:29:35Z",
    "title_canon_sha256": "04735fc0ae5c117812e2729aff4faf76927733d5e2a390103158027f518d22bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04809",
    "kind": "arxiv",
    "version": 3
  }
}