Pith Number

pith:VVTTRKC5

pith:2020:VVTTRKC5FZNO3RAH2BLUOF55CT

not attested not anchored not stored refs pending

Detecting Invisible People

Achal Dave, Deva Ramanan, Tarasha Khurana

arxiv:2012.08419 v1 · 2020-12-15 · 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{VVTTRKC5FZNO3RAH2BLUOF55CT}

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	2026-07-05T01:59:43.342606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad6738a85d2e5aedc407d0574717bd14d49088a05fa495220e18e06616013f6a

Aliases

arxiv: 2012.08419 · arxiv_version: 2012.08419v1 · doi: 10.48550/arxiv.2012.08419 · pith_short_12: VVTTRKC5FZNO · pith_short_16: VVTTRKC5FZNO3RAH · pith_short_8: VVTTRKC5

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/VVTTRKC5FZNO3RAH2BLUOF55CT \
  | 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: ad6738a85d2e5aedc407d0574717bd14d49088a05fa495220e18e06616013f6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5767fe29db7a69689a03cab764022e49fe948cb0801c481acfd6a3041b1d52c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-12-15T16:54:45Z",
    "title_canon_sha256": "6b2b44d0e47a69a6e3ca97383f67f0a2d03b3f04d991827b99431bec6d6151e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.08419",
    "kind": "arxiv",
    "version": 1
  }
}