Pith Number

pith:AXY3GM2A

pith:2026:AXY3GM2AHCNKGBKBCJKVUS72Y3

not attested not anchored not stored refs pending

The Course of News Events: A Comparison of Bottom-Up and Top-Down Approaches for Collecting Text-Based Data about Disasters

Andreas Niekler, Brielen Madureira, Mariana Madruga de Brito

arxiv:2607.00849 v1 · 2026-07-01 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AXY3GM2AHCNKGBKBCJKVUS72Y3}

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	2026-07-02T01:18:21.389242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05f1b33340389aa3054112555a4bfac6d2364c6b834ccb4fd6c88600558dfc77

Aliases

arxiv: 2607.00849 · arxiv_version: 2607.00849v1 · doi: 10.48550/arxiv.2607.00849 · pith_short_12: AXY3GM2AHCNK · pith_short_16: AXY3GM2AHCNKGBKB · pith_short_8: AXY3GM2A

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/AXY3GM2AHCNKGBKBCJKVUS72Y3 \
  | 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: 05f1b33340389aa3054112555a4bfac6d2364c6b834ccb4fd6c88600558dfc77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2451b6d643cb42978404d0699674d59e91a3aa61c421ce8b5c306f39099fcb24",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-01T12:15:50Z",
    "title_canon_sha256": "f97d71d4ac11ba67496efb3044ed8d95864a7158b8d1b546e4614d729578ce85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00849",
    "kind": "arxiv",
    "version": 1
  }
}