Pith Number

pith:TEIHDU2X

pith:2019:TEIHDU2XYCN2ZCNQIGTVDRXZQL

not attested not anchored not stored refs pending

Context-driven Active and Incremental Activity Recognition

Claudio Bettini, Gabriele Civitarese, Riccardo Presotto

arxiv:1906.03033 v1 · 2019-06-07 · 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{TEIHDU2XYCN2ZCNQIGTVDRXZQL}

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	2026-05-17T23:43:55.268015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

991071d357c09bac89b041a751c6f982d839b9275e0422970fec681bca26d571

Aliases

arxiv: 1906.03033 · arxiv_version: 1906.03033v1 · doi: 10.48550/arxiv.1906.03033 · pith_short_12: TEIHDU2XYCN2 · pith_short_16: TEIHDU2XYCN2ZCNQ · pith_short_8: TEIHDU2X

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/TEIHDU2XYCN2ZCNQIGTVDRXZQL \
  | 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: 991071d357c09bac89b041a751c6f982d839b9275e0422970fec681bca26d571

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c24d756f7e4e50dc46de42675e7dd85237df76af225c39ed3e8bcbdaea985945",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-07T12:06:34Z",
    "title_canon_sha256": "f47a9e216d4571a6e8f04c3e0cd935b3698a955ee1174dd2bc33c58bb449b2fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03033",
    "kind": "arxiv",
    "version": 1
  }
}