Pith Number

pith:OYRR2B6V

pith:2017:OYRR2B6VQSNPXARWTCGMXUX7BP

not attested not anchored not stored refs pending

Dendroidal spaces, $\Gamma$-spaces and the special Barratt-Priddy-Quillen theorem

Ieke Moerdijk, Pedro Boavida de Brito

arxiv:1701.06459 v1 · 2017-01-23 · 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{OYRR2B6VQSNPXARWTCGMXUX7BP}

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	2026-05-18T00:52:18.302621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76231d07d5849afb8236988ccbd2ff0bc6f8e246e893a81d2ea4887d8427f3ba

Aliases

arxiv: 1701.06459 · arxiv_version: 1701.06459v1 · doi: 10.48550/arxiv.1701.06459 · pith_short_12: OYRR2B6VQSNP · pith_short_16: OYRR2B6VQSNPXARW · pith_short_8: OYRR2B6V

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/OYRR2B6VQSNPXARWTCGMXUX7BP \
  | 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: 76231d07d5849afb8236988ccbd2ff0bc6f8e246e893a81d2ea4887d8427f3ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "638ccd2ad0d621235b9c46307f2ae915ce43d2da6eb1bfee35021c6e8d65956e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-01-23T15:36:24Z",
    "title_canon_sha256": "6b500b2e5af091d0d24ba26759468ab8e58ae8c9a8b314a5bc4da512786e1cf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06459",
    "kind": "arxiv",
    "version": 1
  }
}