Pith Number

pith:H7VE4ERR

pith:2016:H7VE4ERRMWTS5DPRUESVHRDIGW

not attested not anchored not stored refs pending

Sheaves are the canonical datastructure for sensor integration

Michael Robinson

arxiv:1603.01446 v3 · 2016-03-04 · 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{H7VE4ERRMWTS5DPRUESVHRDIGW}

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	2026-05-18T00:56:04.439171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fea4e123165a72e8df1a12553c46835889295af0858220243c7549bd2d6f08d

Aliases

arxiv: 1603.01446 · arxiv_version: 1603.01446v3 · doi: 10.48550/arxiv.1603.01446 · pith_short_12: H7VE4ERRMWTS · pith_short_16: H7VE4ERRMWTS5DPR · pith_short_8: H7VE4ERR

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/H7VE4ERRMWTS5DPRUESVHRDIGW \
  | 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: 3fea4e123165a72e8df1a12553c46835889295af0858220243c7549bd2d6f08d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3617a64ef7b03c9c5f4d76a02be283158c1336271e3caf3add0512cfce8bf4e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2016-03-04T13:15:43Z",
    "title_canon_sha256": "1b7ed623b0bde0297a4b26b5bd317a41620d08ba93d712b3d53c10d72e8206f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.01446",
    "kind": "arxiv",
    "version": 3
  }
}