Pith Number

pith:TYQM6GG4

pith:2015:TYQM6GG4KRMGGYFNCA7PROF4PK

not attested not anchored not stored refs pending

Covariant Model Structures and Simplicial Localization

Danny Stevenson

arxiv:1512.04815 v3 · 2015-12-15 · 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{TYQM6GG4KRMGGYFNCA7PROF4PK}

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	2026-05-18T00:33:39.817171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e20cf18dc54586360ad103ef8b8bc7aa6c8057909ac0b4b7f78b54bfd46754b

Aliases

arxiv: 1512.04815 · arxiv_version: 1512.04815v3 · doi: 10.48550/arxiv.1512.04815 · pith_short_12: TYQM6GG4KRMG · pith_short_16: TYQM6GG4KRMGGYFN · pith_short_8: TYQM6GG4

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/TYQM6GG4KRMGGYFNCA7PROF4PK \
  | 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: 9e20cf18dc54586360ad103ef8b8bc7aa6c8057909ac0b4b7f78b54bfd46754b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43a05dd51f0365734254fad70ac2cc7d45691f24e81b53a1cb127c1540de0eaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2015-12-15T15:19:12Z",
    "title_canon_sha256": "04a101f395396bd980d20fde5ab73142e7309a282b7da2df20c8459079982329"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04815",
    "kind": "arxiv",
    "version": 3
  }
}