Pith Number

pith:L54G6P6B

pith:2011:L54G6P6BACM5NYWBM4PSR5VKEI

not attested not anchored not stored refs pending

On the Cohomology of 3D Digital Images

Pedro Real, Rocio Gonzalez-Diaz

arxiv:1105.4477 v1 · 2011-05-23 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L54G6P6BACM5NYWBM4PSR5VKEI}

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	2026-05-18T04:21:29.219765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f786f3fc10099d6e2c1671f28f6aa223c65bf3b26254e1040222cd8307c9fca

Aliases

arxiv: 1105.4477 · arxiv_version: 1105.4477v1 · doi: 10.48550/arxiv.1105.4477 · pith_short_12: L54G6P6BACM5 · pith_short_16: L54G6P6BACM5NYWB · pith_short_8: L54G6P6B

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/L54G6P6BACM5NYWBM4PSR5VKEI \
  | 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: 5f786f3fc10099d6e2c1671f28f6aa223c65bf3b26254e1040222cd8307c9fca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d88c5534fee7a460e9bf5e9d1e2b7e10afcdb641215d4f19e7e8f89aed37f86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2011-05-23T12:06:18Z",
    "title_canon_sha256": "4105ae19cdf8991677dd5e74849f7a3add8b46f01884e33aa0f1e7ecadebb0c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4477",
    "kind": "arxiv",
    "version": 1
  }
}