Pith Number

pith:DJRIVK7W

pith:2013:DJRIVK7W6VSKHHK2STRF4KMHTI

not attested not anchored not stored refs pending

Optical Flow on Evolving Surfaces with an Application to the Analysis of 4D Microscopy Data

Clemens Kirisits, Lukas F. Lang, Otmar Scherzer

arxiv:1301.1576 v2 · 2013-01-08 · math.OC · 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{DJRIVK7W6VSKHHK2STRF4KMHTI}

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	2026-05-18T03:25:15.987830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a628aabf6f564a39d5a94e25e29879a0953ce8866986922665860c0310183ee

Aliases

arxiv: 1301.1576 · arxiv_version: 1301.1576v2 · doi: 10.48550/arxiv.1301.1576 · pith_short_12: DJRIVK7W6VSK · pith_short_16: DJRIVK7W6VSKHHK2 · pith_short_8: DJRIVK7W

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/DJRIVK7W6VSKHHK2STRF4KMHTI \
  | 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: 1a628aabf6f564a39d5a94e25e29879a0953ce8866986922665860c0310183ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "218b6d6c100daeb6365f253507a9308d78faa0eb215456190882b2ff36b31164",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-01-08T16:06:02Z",
    "title_canon_sha256": "545425aff29cd89068361de18c303c642fdb06d6d168914c34c147975e8d8a13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1576",
    "kind": "arxiv",
    "version": 2
  }
}