Pith Number

pith:MDSQ57OT

pith:2020:MDSQ57OTKVB722ADJKMHIR5YMR

not attested not anchored not stored refs pending

World Trade Center responders in their own words: Predicting PTSD symptom trajectories with AI-based language analyses of interviews

Benjamin J. Luft, Evelyn J. Bromet, H Andrew Schwartz, Johannes C. Eichstaedt, Roman Kotov, Sean A. P. Clouston, Youngseo Son

arxiv:2011.06457 v1 · 2020-11-12 · 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{MDSQ57OTKVB722ADJKMHIR5YMR}

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	2026-07-05T01:51:15.187303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60e50efdd35543fd68034a987447b8646a1dbb589cff310ba190f87fe3b93af5

Aliases

arxiv: 2011.06457 · arxiv_version: 2011.06457v1 · doi: 10.48550/arxiv.2011.06457 · pith_short_12: MDSQ57OTKVB7 · pith_short_16: MDSQ57OTKVB722AD · pith_short_8: MDSQ57OT

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/MDSQ57OTKVB722ADJKMHIR5YMR \
  | 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: 60e50efdd35543fd68034a987447b8646a1dbb589cff310ba190f87fe3b93af5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaa66329f770f761ed2a2dee3fb0bdd77c59c86a4d9cab6c2cf593c9bb6dfddf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-11-12T15:57:23Z",
    "title_canon_sha256": "f9a17904162cf9663e5436ae94349d85ce45963d519129ab73aebc84987b18b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.06457",
    "kind": "arxiv",
    "version": 1
  }
}