Pith Number

pith:EZMAV2T7

pith:2021:EZMAV2T7UVQN4WQZYRC2Y4RFTX

not attested not anchored not stored refs pending

AutoFlow: Learning a Better Training Set for Optical Flow

Ce Liu, Charles Herrmann, Daniel Vlasic, Deqing Sun, Huiwen Chang, Michael Krainin, Ramin Zabih, Varun Jampani, William T. Freeman

arxiv:2104.14544 v1 · 2021-04-29 · 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{EZMAV2T7UVQN4WQZYRC2Y4RFTX}

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	2026-07-05T02:36:17.698423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26580aea7fa560de5a19c445ac72259def090474d9e18ddca38efeb0e6638455

Aliases

arxiv: 2104.14544 · arxiv_version: 2104.14544v1 · doi: 10.48550/arxiv.2104.14544 · pith_short_12: EZMAV2T7UVQN · pith_short_16: EZMAV2T7UVQN4WQZ · pith_short_8: EZMAV2T7

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/EZMAV2T7UVQN4WQZYRC2Y4RFTX \
  | 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: 26580aea7fa560de5a19c445ac72259def090474d9e18ddca38efeb0e6638455

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85df95adf37b700b46cff3df459f1212264e24ae27f918cc0ff8c5f2c16acb92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-29T17:55:23Z",
    "title_canon_sha256": "d3b5343debedb00095842412ca50ed258f90a74aa9009e3ac7cb782c5eb6c95d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.14544",
    "kind": "arxiv",
    "version": 1
  }
}