Pith Number

pith:FHOTTJNC

pith:2021:FHOTTJNCRFCL5BHVY7UENC4DUQ

not attested not anchored not stored refs pending

Scalable Reverse Image Search Engine for NASAWorldview

Abhigya Sodani, Anirudh Koul, Meher Anand Kasam, Michael Levy, Siddha Ganju

arxiv:2108.04479 v1 · 2021-08-10 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FHOTTJNCRFCL5BHVY7UENC4DUQ}

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	2026-07-05T03:04:30.970814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29dd39a5a28944be84f5c7e8468b83a426b4d44d990669c66d0a840c5161bb8d

Aliases

arxiv: 2108.04479 · arxiv_version: 2108.04479v1 · doi: 10.48550/arxiv.2108.04479 · pith_short_12: FHOTTJNCRFCL · pith_short_16: FHOTTJNCRFCL5BHV · pith_short_8: FHOTTJNC

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/FHOTTJNCRFCL5BHVY7UENC4DUQ \
  | 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: 29dd39a5a28944be84f5c7e8468b83a426b4d44d990669c66d0a840c5161bb8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02b6f10b549faae15421c1c9f2d2177ab68999258f5dcd7e647de1482d7149ee",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-10T07:03:00Z",
    "title_canon_sha256": "08998177acc42983ad67ff882a7cda0dd4adb52fc91dd925af15f998aa0c2704"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.04479",
    "kind": "arxiv",
    "version": 1
  }
}