Pith Number

pith:QALWQM37

pith:2017:QALWQM3743JKUZBPPVQNN22GZD

not attested not anchored not stored refs pending

Strain Analysis by a Total Generalized Variation Regularized Optical Flow Model

Dietmar Eifler, Frank Balle, Gabriele Steidl, Jan Henrik Fitschen, Sebastian Schuff, Tilmann Beck

arxiv:1704.06028 v2 · 2017-04-20 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QALWQM3743JKUZBPPVQNN22GZD}

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	2026-05-18T00:22:21.040787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

801768337fe6d2aa642f7d60d6eb46c8c35d53c343d59e861e0c8cd86adc4b4b

Aliases

arxiv: 1704.06028 · arxiv_version: 1704.06028v2 · doi: 10.48550/arxiv.1704.06028 · pith_short_12: QALWQM3743JK · pith_short_16: QALWQM3743JKUZBP · pith_short_8: QALWQM37

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/QALWQM3743JKUZBPPVQNN22GZD \
  | 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: 801768337fe6d2aa642f7d60d6eb46c8c35d53c343d59e861e0c8cd86adc4b4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bec7677933c505298fc0ff2c9834f19914eadd4deef1182681a88287385ac00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-04-20T07:00:57Z",
    "title_canon_sha256": "5bafdbec8377bfb801cf6c4799b51af0dc96f6c13db78593a1cf4cdb9fec2648"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06028",
    "kind": "arxiv",
    "version": 2
  }
}