Pith Number

pith:6WQQP526

pith:2015:6WQQP5263CTFFINKCW3DBURFPQ

not attested not anchored not stored refs pending

Quasicategories of Frames of Cofibration Categories

Chris Kapulkin, Karol Szumi{\l}o

arxiv:1506.08681 v1 · 2015-06-29 · math.AT · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6WQQP5263CTFFINKCW3DBURFPQ}

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	2026-05-18T01:37:43.669814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5a107f75ed8a652a1aa15b630d2257c355577b44fb64d8f6f7ccfaa095f996f

Aliases

arxiv: 1506.08681 · arxiv_version: 1506.08681v1 · doi: 10.48550/arxiv.1506.08681 · pith_short_12: 6WQQP5263CTF · pith_short_16: 6WQQP5263CTFFINK · pith_short_8: 6WQQP526

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/6WQQP5263CTFFINKCW3DBURFPQ \
  | 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: f5a107f75ed8a652a1aa15b630d2257c355577b44fb64d8f6f7ccfaa095f996f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdd8715c0513379cebb749078fcf6d73f2a57ca89ef6fcca536ca2c58dcaa6c7",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2015-06-29T15:24:53Z",
    "title_canon_sha256": "58dc1042db1762138bf264b69b20fa04760f84dcb7ce92e7bd0984eaa2d488f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08681",
    "kind": "arxiv",
    "version": 1
  }
}