Pith Number

pith:N4DHKIKP

pith:2019:N4DHKIKPCHB2M3BIJDPJ55Y7F3

not attested not anchored not stored refs pending

Situational Awareness Enhanced through Social Media Analytics: A Survey of First Responders

Christina Stober, David S. Ebert, Luke S. Snyder, Morteza Karimzadeh

arxiv:1909.07316 v1 · 2019-09-16 · cs.SI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4DHKIKPCHB2M3BIJDPJ55Y7F3}

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	2026-07-05T00:04:54.982333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f0675214f11c3a66c2848de9ef71f2ef558b363c2d9d13d7a7b5321b8160465

Aliases

arxiv: 1909.07316 · arxiv_version: 1909.07316v1 · doi: 10.48550/arxiv.1909.07316 · pith_short_12: N4DHKIKPCHB2 · pith_short_16: N4DHKIKPCHB2M3BI · pith_short_8: N4DHKIKP

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/N4DHKIKPCHB2M3BIJDPJ55Y7F3 \
  | 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: 6f0675214f11c3a66c2848de9ef71f2ef558b363c2d9d13d7a7b5321b8160465

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e33f2b1d702cbecd17273f4ed539c056151af346979bafb29f114cfbd79d25c6",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2019-09-16T16:20:10Z",
    "title_canon_sha256": "3ca643b0cbd835027b2325f094db5aa1c519c480f5d70093f512bbbb84d042db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.07316",
    "kind": "arxiv",
    "version": 1
  }
}