Pith Number

pith:SAN24VLE

pith:2013:SAN24VLE7DSPMMVKZETPV5ILSF

not attested not anchored not stored refs pending

The theory and practice of Reedy categories

Dominic Verity, Emily Riehl

arxiv:1304.6871 v3 · 2013-04-25 · math.CT · 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{SAN24VLE7DSPMMVKZETPV5ILSF}

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	2026-05-18T02:49:46.079303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

901bae5564f8e4f632aac926faf50b9141dafa083cf3c4994bac70acdff2f7f8

Aliases

arxiv: 1304.6871 · arxiv_version: 1304.6871v3 · doi: 10.48550/arxiv.1304.6871 · pith_short_12: SAN24VLE7DSP · pith_short_16: SAN24VLE7DSPMMVK · pith_short_8: SAN24VLE

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/SAN24VLE7DSPMMVKZETPV5ILSF \
  | 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: 901bae5564f8e4f632aac926faf50b9141dafa083cf3c4994bac70acdff2f7f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b849f0523b9b99054b726fe7bf5fbcd8d880e5b648e7178309c4611cf231e513",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2013-04-25T10:51:34Z",
    "title_canon_sha256": "553dc526b5707b8e951d80361e16490f421d52830bc122163e5753ff8f4c52dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6871",
    "kind": "arxiv",
    "version": 3
  }
}