Pith Number

pith:PKXB42FX

pith:2016:PKXB42FXNRGRUM4CLBP77LLH5J

not attested not anchored not stored refs pending

Chemical complexity in protoplanetary disks in the era of ALMA and Rosetta

Catherine Walsh (Leiden Observatory, the Netherlands)

arxiv:1605.07825 v2 · 2016-05-25 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PKXB42FXNRGRUM4CLBP77LLH5J}

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	2026-05-18T01:13:37.327705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7aae1e68b76c4d1a3382585fffad67ea7b4db4e00d4bb8546aa1967caa1ea5ef

Aliases

arxiv: 1605.07825 · arxiv_version: 1605.07825v2 · doi: 10.48550/arxiv.1605.07825 · pith_short_12: PKXB42FXNRGR · pith_short_16: PKXB42FXNRGRUM4C · pith_short_8: PKXB42FX

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/PKXB42FXNRGRUM4CLBP77LLH5J \
  | 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: 7aae1e68b76c4d1a3382585fffad67ea7b4db4e00d4bb8546aa1967caa1ea5ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7a9291553e2b83da3f02d1292eae43abe8839558e4ca3dc7fb17f20d91a8d35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-05-25T11:07:55Z",
    "title_canon_sha256": "43c7db04f703cf95de8555c4272b9d9109646435bdb1718a170f78dc16827da5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.07825",
    "kind": "arxiv",
    "version": 2
  }
}