Pith Number

pith:XE6UWTMN

pith:2018:XE6UWTMNLNVGFOWE4F4STIWSQK

not attested not anchored not stored refs pending

The chemistry of disks around T Tauri and Herbig Ae/Be stars

Evelyne Roueff, Franck Le Petit, Jacques Le Bourlot, Marcelino Agundez

arxiv:1803.09450 v1 · 2018-03-26 · 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{XE6UWTMNLNVGFOWE4F4STIWSQK}

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	2026-05-18T00:08:42.844989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b93d4b4d8d5b6a62bac4e17929a2d282a5edca8aa480b6d6539d15ff00296bae

Aliases

arxiv: 1803.09450 · arxiv_version: 1803.09450v1 · doi: 10.48550/arxiv.1803.09450 · pith_short_12: XE6UWTMNLNVG · pith_short_16: XE6UWTMNLNVGFOWE · pith_short_8: XE6UWTMN

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/XE6UWTMNLNVGFOWE4F4STIWSQK \
  | 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: b93d4b4d8d5b6a62bac4e17929a2d282a5edca8aa480b6d6539d15ff00296bae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2079c0f5f1eaad0393d6d5942515f3ce846d9e67bda353abf9566d7d2bc24d7e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-26T07:44:01Z",
    "title_canon_sha256": "6f4a486e7457cce9c27e31ad37cb772645d5e24c0a5f9a85cb7bcf99ebf69849"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09450",
    "kind": "arxiv",
    "version": 1
  }
}