Pith Number

pith:HE3TEPYE

pith:2013:HE3TEPYEDHHQRHBJKAUWEGUQ52

not attested not anchored not stored refs pending

Approximate Cech Complexes in Low and High Dimensions

Michael Kerber, R. Sharathkumar

arxiv:1307.3272 v1 · 2013-07-11 · cs.CG · 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{HE3TEPYEDHHQRHBJKAUWEGUQ52}

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	2026-05-18T03:18:39.613529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3937323f0419cf089c295029621a90ee9df6159ce11f4a2a09edcb7aab93f673

Aliases

arxiv: 1307.3272 · arxiv_version: 1307.3272v1 · doi: 10.48550/arxiv.1307.3272 · pith_short_12: HE3TEPYEDHHQ · pith_short_16: HE3TEPYEDHHQRHBJ · pith_short_8: HE3TEPYE

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/HE3TEPYEDHHQRHBJKAUWEGUQ52 \
  | 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: 3937323f0419cf089c295029621a90ee9df6159ce11f4a2a09edcb7aab93f673

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e089eeccedd328b01a57f20b3ffabd6825e29f0c5f26787a7e7d177b66cacf2b",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2013-07-11T21:06:53Z",
    "title_canon_sha256": "280a29fb65d4f70545c1537d699f1f8bbf22970a53500a25eb3f4abea5bad449"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3272",
    "kind": "arxiv",
    "version": 1
  }
}