Pith Number

pith:YYAQQDIY

pith:2011:YYAQQDIYYTU736NXFB7Q2DEQI5

not attested not anchored not stored refs pending

The chemical history of molecules in circumstellar disks. II. Gas-phase species

((1) Leiden Observatory, 2), (2) Univ. of Michigan, (3) Denison Univ., 4), (4) MPE Garching), E.F. van Dishoeck (1, R. Visser (1, S.D. Doty (3)

arxiv:1109.1741 v1 · 2011-09-08 · 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{YYAQQDIYYTU736NXFB7Q2DEQI5}

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	2026-05-18T02:00:37.847006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c601080d18c4e9fdf9b7287f0d0c90475485d773df2d07bbcd1325bb479c3b87

Aliases

arxiv: 1109.1741 · arxiv_version: 1109.1741v1 · doi: 10.48550/arxiv.1109.1741 · pith_short_12: YYAQQDIYYTU7 · pith_short_16: YYAQQDIYYTU736NX · pith_short_8: YYAQQDIY

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/YYAQQDIYYTU736NXFB7Q2DEQI5 \
  | 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: c601080d18c4e9fdf9b7287f0d0c90475485d773df2d07bbcd1325bb479c3b87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61aacf8ee9ab7d500304a9f678556f9646446275a5f35c688e7092fd52d5f906",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-09-08T15:12:41Z",
    "title_canon_sha256": "8046e6ffee5e9211aa5958dab439254d0d4bd8e37b1c68dba175714b17cd210e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1741",
    "kind": "arxiv",
    "version": 1
  }
}