Pith Number

pith:GQQ4RW6M

pith:2025:GQQ4RW6MSVFXAQZJBCFIMP6O3N

not attested not anchored not stored refs pending

From Pixels to Damage Severity: Estimating Earthquake Impacts Using Semantic Segmentation of Social Media Images

Danrong Zhang, Huili Huang, J. David Frost, Nimisha Roy, N. Simrill Smith

arxiv:2507.02781 v1 · 2025-07-03 · cs.CV · 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{GQQ4RW6MSVFXAQZJBCFIMP6O3N}

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	2026-07-05T11:31:34.582512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3421c8dbcc954b704329088a863fcedb7eb059afa8b3ebf6687386643b73845a

Aliases

arxiv: 2507.02781 · arxiv_version: 2507.02781v1 · doi: 10.48550/arxiv.2507.02781 · pith_short_12: GQQ4RW6MSVFX · pith_short_16: GQQ4RW6MSVFXAQZJ · pith_short_8: GQQ4RW6M

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/GQQ4RW6MSVFXAQZJBCFIMP6O3N \
  | 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: 3421c8dbcc954b704329088a863fcedb7eb059afa8b3ebf6687386643b73845a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "945452288cc6fa5de7a59934f3dfe3e7d60cfcb27da491a4d340817fc6170d94",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-03T16:43:56Z",
    "title_canon_sha256": "7183f8dbeb719cd292b15d4c32774c02da3118f43c99207b1d42e5ea196401c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.02781",
    "kind": "arxiv",
    "version": 1
  }
}