Pith Number

pith:ESJCBKHE

pith:2017:ESJCBKHEZDHL6PLGVDPDG76QZF

not attested not anchored not stored refs pending

Edge-matching Problems with Rotations

Carsten Witt, Martin Ebbesen, Paul Fischer

arxiv:1703.09421 v1 · 2017-03-28 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ESJCBKHEZDHL6PLGVDPDG76QZF}

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	2026-05-18T00:47:44.591745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

249220a8e4c8cebf3d66a8de337fd0c949106484e584448ec258a22dde2c59f8

Aliases

arxiv: 1703.09421 · arxiv_version: 1703.09421v1 · doi: 10.48550/arxiv.1703.09421 · pith_short_12: ESJCBKHEZDHL · pith_short_16: ESJCBKHEZDHL6PLG · pith_short_8: ESJCBKHE

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/ESJCBKHEZDHL6PLGVDPDG76QZF \
  | 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: 249220a8e4c8cebf3d66a8de337fd0c949106484e584448ec258a22dde2c59f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1773bcb2cbc9a351986fa8a1803b60bc6ce9426708b2a1d5daab9ba2af1f29e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-03-28T07:20:30Z",
    "title_canon_sha256": "b22501999104f366d82195f2a378cfbc88d0da6997f6c1ae26216dc4c73ee5cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09421",
    "kind": "arxiv",
    "version": 1
  }
}