Pith Number

pith:HBPWBAFJ

pith:2023:HBPWBAFJNQ7N37E652HEOESGAV

not attested not anchored not stored refs pending

Detecting Changes in Crowdsourced Social Media Images

Abdallah Lakhdari, Athman Bouguettaya, Muhammad Umair

arxiv:2310.16848 v1 · 2023-10-23 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBPWBAFJNQ7N37E652HEOESGAV}

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	2026-07-05T07:05:14.923136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

385f6080a96c3eddfc9eee8e47124605692d6985f30e3e25c94b9e8b53314bba

Aliases

arxiv: 2310.16848 · arxiv_version: 2310.16848v1 · doi: 10.48550/arxiv.2310.16848 · pith_short_12: HBPWBAFJNQ7N · pith_short_16: HBPWBAFJNQ7N37E6 · pith_short_8: HBPWBAFJ

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/HBPWBAFJNQ7N37E652HEOESGAV \
  | 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: 385f6080a96c3eddfc9eee8e47124605692d6985f30e3e25c94b9e8b53314bba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01d939b35905a4bd3f66cbdad8a083adc36c041de16f22f34efaaf22fa517a16",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2023-10-23T04:03:29Z",
    "title_canon_sha256": "b5bdfffd6745b554f447a5a99149a91e5b30a37af297d6d984e1f761a92e2b9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.16848",
    "kind": "arxiv",
    "version": 1
  }
}