Pith Number

pith:Q7K522Z3

pith:2019:Q7K522Z3ZXVTH4SCZQJK6TFEET

not attested not anchored not stored refs pending

Homotopy-coherent algebra via Segal conditions

Hongyi Chu, Rune Haugseng

arxiv:1907.03977 v3 · 2019-07-09 · 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{Q7K522Z3ZXVTH4SCZQJK6TFEET}

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.

Cited by

1 paper in Pith

Deformation Theory for $(\infty,n)$-categories

Receipt and verification

First computed	2026-07-05T02:20:52.642296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87d5dd6b3bcdeb33f242cc12af4ca424cf6cacd154405ad25f501d46f26a309d

Aliases

arxiv: 1907.03977 · arxiv_version: 1907.03977v3 · doi: 10.48550/arxiv.1907.03977 · pith_short_12: Q7K522Z3ZXVT · pith_short_16: Q7K522Z3ZXVTH4SC · pith_short_8: Q7K522Z3

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/Q7K522Z3ZXVTH4SCZQJK6TFEET \
  | 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: 87d5dd6b3bcdeb33f242cc12af4ca424cf6cacd154405ad25f501d46f26a309d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d80d493dc0bf5968a02c953b0c3f567d7c1a06413eceb7dcfc0709116c1d61c",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2019-07-09T04:17:02Z",
    "title_canon_sha256": "8b8e6a0f734c3be453604901d49e8adc6c037416ddf92c0608a8b3c6428b52b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03977",
    "kind": "arxiv",
    "version": 3
  }
}