Pith Number

pith:IQYMKCFR

pith:2016:IQYMKCFRCV4OHNF6TM7UYQG72Y

not attested not anchored not stored refs pending

External photoevaporation of protoplanetary discs in sparse stellar groups: the impact of dust growth

Cathie J. Clarke, Stefano Facchini, Thomas G. Bisbas

arxiv:1601.07562 v1 · 2016-01-27 · 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{IQYMKCFRCV4OHNF6TM7UYQG72Y}

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	2026-05-18T01:21:25.079683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4430c508b11578e3b4be9b3f4c40dfd61844bb65f9aada6a0c7275aa19b402f8

Aliases

arxiv: 1601.07562 · arxiv_version: 1601.07562v1 · doi: 10.48550/arxiv.1601.07562 · pith_short_12: IQYMKCFRCV4O · pith_short_16: IQYMKCFRCV4OHNF6 · pith_short_8: IQYMKCFR

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/IQYMKCFRCV4OHNF6TM7UYQG72Y \
  | 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: 4430c508b11578e3b4be9b3f4c40dfd61844bb65f9aada6a0c7275aa19b402f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "735232227985639eaa5df2df52e31e533c77587f4a9c44d5d3aad274ee77910e",
    "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": "2016-01-27T21:00:44Z",
    "title_canon_sha256": "b0d40925986f4780a0df91af40b819ff3b1b1cfc4d5f5b3061d4a0d642bd2722"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07562",
    "kind": "arxiv",
    "version": 1
  }
}