Pith Number

pith:4HAYR3VB

pith:2011:4HAYR3VBVQKWZA3S2XYEK6P226

not attested not anchored not stored refs pending

Chemistry in a gravitationally unstable protoplanetary disc

A. C. Boley, J. D. Ilee, J. M. C. Rawlings, P. Caselli, R. H. Durisen, T. W. Hartquist

arxiv:1107.3041 v1 · 2011-07-15 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HAYR3VBVQKWZA3S2XYEK6P226}

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	2026-05-18T02:01:16.331928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1c188eea1ac156c8372d5f04579fad78e46485ed6058868b3c60294b5f03ae6

Aliases

arxiv: 1107.3041 · arxiv_version: 1107.3041v1 · doi: 10.48550/arxiv.1107.3041 · pith_short_12: 4HAYR3VBVQKW · pith_short_16: 4HAYR3VBVQKWZA3S · pith_short_8: 4HAYR3VB

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/4HAYR3VBVQKWZA3S2XYEK6P226 \
  | 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: e1c188eea1ac156c8372d5f04579fad78e46485ed6058868b3c60294b5f03ae6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1ad12e07c91256ddab4f623ceaae2f05a6f460062dbf271615cee6e0e5324f7",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-07-15T11:00:19Z",
    "title_canon_sha256": "8be3c099e347781b40bb0a64a3c88e99c7ef7e9020b5fb8cc9f2741d7d244a47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3041",
    "kind": "arxiv",
    "version": 1
  }
}