Pith Number

pith:FQ3ASUUY

pith:2018:FQ3ASUUYWJ2BA43AZDHOOHVDMH

not attested not anchored not stored refs pending

M-PACT: An Open Source Platform for Repeatable Activity Classification Research

Eric Hofesmann, Jason J. Corso, Madan Ravi Ganesh

arxiv:1804.05879 v3 · 2018-04-16 · 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{FQ3ASUUYWJ2BA43AZDHOOHVDMH}

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	2026-05-18T00:04:00.398665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c36095298b274107360c8cee71ea361cab1acfab440f4af280a6844e4730b5e

Aliases

arxiv: 1804.05879 · arxiv_version: 1804.05879v3 · doi: 10.48550/arxiv.1804.05879 · pith_short_12: FQ3ASUUYWJ2B · pith_short_16: FQ3ASUUYWJ2BA43A · pith_short_8: FQ3ASUUY

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/FQ3ASUUYWJ2BA43AZDHOOHVDMH \
  | 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: 2c36095298b274107360c8cee71ea361cab1acfab440f4af280a6844e4730b5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf6fb221333c6de4ffdb5f7c21a317e4b2007ffa571cc4622396d27509d26802",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-04-16T18:20:14Z",
    "title_canon_sha256": "63ffa8055f80e1b03f3b7b1a8374fab90956bf4e6a2d15a9d13f4bb9442d1536"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05879",
    "kind": "arxiv",
    "version": 3
  }
}