Pith Number

pith:IPUF33CB

pith:2020:IPUF33CB4CLNUTXGH4FCHJPOCM

not attested not anchored not stored refs pending

Aligning Videos in Space and Time

Abhinav Gupta, Saurabh Gupta, Senthil Purushwalkam, Tian Ye

arxiv:2007.04515 v1 · 2020-07-09 · 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{IPUF33CB4CLNUTXGH4FCHJPOCM}

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	2026-07-05T01:17:30.863164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43e85dec41e096da4ee63f0a23a5ee13397a42cf591f44d3205d4050398f8e75

Aliases

arxiv: 2007.04515 · arxiv_version: 2007.04515v1 · doi: 10.48550/arxiv.2007.04515 · pith_short_12: IPUF33CB4CLN · pith_short_16: IPUF33CB4CLNUTXG · pith_short_8: IPUF33CB

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/IPUF33CB4CLNUTXGH4FCHJPOCM \
  | 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: 43e85dec41e096da4ee63f0a23a5ee13397a42cf591f44d3205d4050398f8e75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b75f4ffda4b5265b45d0e8d31a0b70729382a9d3520956fe020058edb06c7c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-07-09T02:30:48Z",
    "title_canon_sha256": "f7d1afcf532dae926ca3170453530cb5b469534550cc4445909ad67afe917f26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.04515",
    "kind": "arxiv",
    "version": 1
  }
}