Pith Number

pith:QT4HEPPW

pith:2016:QT4HEPPWMIORPQ5WNTU45FBP7Y

not attested not anchored not stored refs pending

Mapping PAH sizes in NGC 7023 with SOFIA

A. Candian, A. G. G. M. Tielens, B. A. Croiset, O. Bern\'e

arxiv:1603.02577 v1 · 2016-03-08 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QT4HEPPWMIORPQ5WNTU45FBP7Y}

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	2026-05-18T01:13:54.590562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84f8723df6621d17c3b66ce9ce942ffe09450ede475ba94fad4a60c370a5852f

Aliases

arxiv: 1603.02577 · arxiv_version: 1603.02577v1 · doi: 10.48550/arxiv.1603.02577 · pith_short_12: QT4HEPPWMIOR · pith_short_16: QT4HEPPWMIORPQ5W · pith_short_8: QT4HEPPW

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/QT4HEPPWMIORPQ5WNTU45FBP7Y \
  | 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: 84f8723df6621d17c3b66ce9ce942ffe09450ede475ba94fad4a60c370a5852f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5778a6f5e160435f500818072dea4a173a9147508a21599baded66ae8729ec22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-03-08T16:32:07Z",
    "title_canon_sha256": "f4947722486c78d216ef5a425928e2313b9e6b49d2bc329a4b9fed6ee7096fa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02577",
    "kind": "arxiv",
    "version": 1
  }
}