Pith Number

pith:ORRH7E3S

pith:2017:ORRH7E3SFTCGGNZSLG2XZRTN6I

not attested not anchored not stored refs pending

On double-resolution imaging and discrete tomography

Andreas Alpers, Peter Gritzmann

arxiv:1701.04399 v3 · 2017-01-13 · cs.DS · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ORRH7E3SFTCGGNZSLG2XZRTN6I}

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	2026-05-18T00:01:23.656764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74627f93722cc463373259b57cc66df200b958f02483b49e3bdaca216883402b

Aliases

arxiv: 1701.04399 · arxiv_version: 1701.04399v3 · doi: 10.48550/arxiv.1701.04399 · pith_short_12: ORRH7E3SFTCG · pith_short_16: ORRH7E3SFTCGGNZS · pith_short_8: ORRH7E3S

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/ORRH7E3SFTCGGNZSLG2XZRTN6I \
  | 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: 74627f93722cc463373259b57cc66df200b958f02483b49e3bdaca216883402b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9138e1876e5e7c8ae239aaa4feccc200db8c3ab093371e3020db5221aaff102",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-01-13T17:23:01Z",
    "title_canon_sha256": "2eb8356b49064183712b7bc5ca439ba133c90a96941bf4c31a611fe151715916"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04399",
    "kind": "arxiv",
    "version": 3
  }
}