Pith Number

pith:FBBVEHWN

pith:2012:FBBVEHWN3ML3HKQ45AJKXFCTPI

not attested not anchored not stored refs pending

Combinatorial Gradient Fields for 2D Images with Empirically Convergent Separatrices

(2) MPI for Informatics Germany, (3) Zuse-Insitute Berlin Germany), David G\"unther (2), Hans Peter Seidel (2) ((1) Institute for Science, Ingrid Hotz (3), Jan Reininghaus (1), Technology Austria, Tino Weinkauf (2)

arxiv:1208.6523 v1 · 2012-08-31 · cs.CV · cs.CG · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FBBVEHWN3ML3HKQ45AJKXFCTPI}

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	2026-05-18T03:46:32.736819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2843521ecddb17b3aa1ce812ab94537a228fd3f7022f21a6ab940f0e181a40c8

Aliases

arxiv: 1208.6523 · arxiv_version: 1208.6523v1 · doi: 10.48550/arxiv.1208.6523 · pith_short_12: FBBVEHWN3ML3 · pith_short_16: FBBVEHWN3ML3HKQ4 · pith_short_8: FBBVEHWN

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/FBBVEHWN3ML3HKQ45AJKXFCTPI \
  | 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: 2843521ecddb17b3aa1ce812ab94537a228fd3f7022f21a6ab940f0e181a40c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ce28ede0027962b394301edddeb68651451b82de7461ba9a42e608d93f99b69",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-08-31T15:19:09Z",
    "title_canon_sha256": "a358b100bfcdb3e615943eaa1803f800485d9e808da6e96486c47e2d3089bda9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.6523",
    "kind": "arxiv",
    "version": 1
  }
}