Pith Number

pith:PJVIVUKE

pith:2026:PJVIVUKEP4PBPV7SXG7ZBA4VRD

not attested not anchored not stored refs pending

Finding Change in Satellite Archives from Text: How to Combine Before-and-After Images Efficiently

Giovanni Beltrame, Mark Bong, Simon Roy

arxiv:2607.28571 v1 · 2026-07-30 · cs.CV · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PJVIVUKEP4PBPV7SXG7ZBA4VRD}

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	2026-07-31T01:38:35.197295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

7a6a8ad1447f1e17d7f2b9bf90839588ecc083cfb5fd68fa756f26e19a52fab3

Aliases

arxiv: 2607.28571 · arxiv_version: 2607.28571v1 · doi: 10.48550/arxiv.2607.28571 · pith_short_12: PJVIVUKEP4PB · pith_short_16: PJVIVUKEP4PBPV7S · pith_short_8: PJVIVUKE

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/PJVIVUKEP4PBPV7SXG7ZBA4VRD \
  | 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: 7a6a8ad1447f1e17d7f2b9bf90839588ecc083cfb5fd68fa756f26e19a52fab3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8142ec68e51ebe8f0f01ed02085bb3a74ac295557a6020fd330aff0b1e9b0e08",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-30T17:35:06Z",
    "title_canon_sha256": "446b62bcf55e3258fb877a83e3090349430f45897a9a067d76e633fa8e5d66a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28571",
    "kind": "arxiv",
    "version": 1
  }
}