Pith Number

pith:RPFRVBZI

pith:2006:RPFRVBZIUN45GGFQ22DWIGZSSW

not attested not anchored not stored refs pending

Chemistry in disks I - Deep search for N$_2$H$^+$ in the protoplanetary disks around LkCa 15, MWC 480, and DM Tau

Anne Dutrey, Aurore Bacmann, Dmitry Semenov, Frederic Gueth, Jerome Pety, Katharina Schreyer, Ralf Launhardt, Stephane Guilloteau, Thomas Henning, Vincent Pietu

arxiv:astro-ph/0612534 v1 · 2006-12-19 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RPFRVBZIUN45GGFQ22DWIGZSSW}

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	2026-05-18T01:40:28.354302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bcb1a8728a379d318b0d687641b32959b0c4d6e482c449bd5e0f9e8b83be68b

Aliases

arxiv: astro-ph/0612534 · arxiv_version: astro-ph/0612534v1 · doi: 10.48550/arxiv.astro-ph/0612534 · pith_short_12: RPFRVBZIUN45 · pith_short_16: RPFRVBZIUN45GGFQ · pith_short_8: RPFRVBZI

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/RPFRVBZIUN45GGFQ22DWIGZSSW \
  | 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: 8bcb1a8728a379d318b0d687641b32959b0c4d6e482c449bd5e0f9e8b83be68b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6736fcabb514fe96b17dc6a68c5d7a39a93cae878ce918e8521e838b7a1d66d6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-12-19T13:27:52Z",
    "title_canon_sha256": "949dfa7b83d4e181c8c7b2a6dc37e2d35c36d2112902d7f161106acd24e0a484"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0612534",
    "kind": "arxiv",
    "version": 1
  }
}