Pith Number

pith:6CSQJOSX

pith:2017:6CSQJOSXMQIIBMTXWYAR4LBLNR

not attested not anchored not stored refs pending

Delta Complexes in Digital Images. Approximating Image Object Shapes

J.F. Peters, M.Z. Ahmad

arxiv:1706.04549 v1 · 2017-06-14 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6CSQJOSXMQIIBMTXWYAR4LBLNR}

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	2026-05-18T00:42:22.350875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0a504ba57641080b277b6011e2c2b6c7eef6e1a2a3602dc3dc337f29f32ccd7

Aliases

arxiv: 1706.04549 · arxiv_version: 1706.04549v1 · doi: 10.48550/arxiv.1706.04549 · pith_short_12: 6CSQJOSXMQII · pith_short_16: 6CSQJOSXMQIIBMTX · pith_short_8: 6CSQJOSX

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/6CSQJOSXMQIIBMTXWYAR4LBLNR \
  | 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: f0a504ba57641080b277b6011e2c2b6c7eef6e1a2a3602dc3dc337f29f32ccd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62ee4933f8b22ff22ca9653b4a8d71c929eaa3408a47fc1fdceb0effd239f218",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-06-14T15:49:17Z",
    "title_canon_sha256": "d851167a9770fab1d1f8ad1192be5c8efcb71f870d6b6d23951950b5a5db173c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.04549",
    "kind": "arxiv",
    "version": 1
  }
}