Pith Number

pith:S2SVF6ID

pith:2019:S2SVF6IDYTM6HLWHKAFLHN722B

not attested not anchored not stored refs pending

Video Summarization via Actionness Ranking

Ali Borji, Mohamed Elfeki

arxiv:1903.00110 v1 · 2019-03-01 · cs.CV

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-17T23:52:20.892281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96a552f903c4d9e3aec7500ab3b7fad045e6fba48123ecbf9884aa8097957365

Aliases

arxiv: 1903.00110 · arxiv_version: 1903.00110v1 · doi: 10.48550/arxiv.1903.00110 · pith_short_12: S2SVF6IDYTM6 · pith_short_16: S2SVF6IDYTM6HLWH · pith_short_8: S2SVF6ID

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/S2SVF6IDYTM6HLWHKAFLHN722B \
  | 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: 96a552f903c4d9e3aec7500ab3b7fad045e6fba48123ecbf9884aa8097957365

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ef39af043b5a0e7e78ed5c24558cc1c8799b9d7222a14146bae8416e962f72b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-01T00:03:14Z",
    "title_canon_sha256": "5da7145fab2f47c66ed5e25fe1ffb87e468b9ec5e50b61426ecafcd205487166"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00110",
    "kind": "arxiv",
    "version": 1
  }
}