Pith Number

pith:7TN5URYE

pith:2016:7TN5URYE4O65L4VUY5YJSUD2YW

not attested not anchored not stored refs pending

Photochemical-dynamical models of externally FUV irradiated protoplanetary discs

Cathie J. Clarke, Douglas Boubert, Stefano Facchini, Thomas G. Bisbas, Thomas J. Haworth

arxiv:1609.02153 v1 · 2016-09-07 · astro-ph.SR · astro-ph.EP · 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{7TN5URYE4O65L4VUY5YJSUD2YW}

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	2026-05-18T01:04:17.402598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcdbda4704e3bdd5f2b4c77099507ac59c4507c0b789570f25105c30bff066dd

Aliases

arxiv: 1609.02153 · arxiv_version: 1609.02153v1 · doi: 10.48550/arxiv.1609.02153 · pith_short_12: 7TN5URYE4O65 · pith_short_16: 7TN5URYE4O65L4VU · pith_short_8: 7TN5URYE

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/7TN5URYE4O65L4VUY5YJSUD2YW \
  | 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: fcdbda4704e3bdd5f2b4c77099507ac59c4507c0b789570f25105c30bff066dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b356157a18d59935d1468634397fb62557455a6f2e8dd4a6c5d98a4aa5d153a7",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-07T20:00:02Z",
    "title_canon_sha256": "21d72f2f1a391f7c930f8b859e0d2b9eefd49505e82c34487846e6f1e2ddff1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02153",
    "kind": "arxiv",
    "version": 1
  }
}