Pith Number

pith:GRFL54HP

pith:2018:GRFL54HPSTGURDFBICWNJWSIKJ

not attested not anchored not stored refs pending

Incremental Non-Rigid Structure-from-Motion with Unknown Focal Length

Ajad Chhatkuli, Danda Pani Paudel, Luc Van Gool, Thomas Probst

arxiv:1808.04181 v1 · 2018-08-13 · 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{GRFL54HPSTGURDFBICWNJWSIKJ}

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	2026-05-18T00:08:18.665127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

344abef0ef94cd488ca140acd4da48524fe6befd86f3018399da061e7f61e619

Aliases

arxiv: 1808.04181 · arxiv_version: 1808.04181v1 · doi: 10.48550/arxiv.1808.04181 · pith_short_12: GRFL54HPSTGU · pith_short_16: GRFL54HPSTGURDFB · pith_short_8: GRFL54HP

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/GRFL54HPSTGURDFBICWNJWSIKJ \
  | 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: 344abef0ef94cd488ca140acd4da48524fe6befd86f3018399da061e7f61e619

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb299364175de88e5dc6ff07876886d2ebcfd767eeaef39e0b37a87d480fc345",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-08-13T12:53:10Z",
    "title_canon_sha256": "d5e6a09d03ced3334105c941f6ca8138c953164b59a6346ed8a6d05cd96081fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04181",
    "kind": "arxiv",
    "version": 1
  }
}