Pith Number

pith:JYUL7IBS

pith:2021:JYUL7IBSXEVT7QAWDTUVXYVKLU

not attested not anchored not stored refs pending

The TW Hya Rosetta Stone Project IV: A hydrocarbon rich disk atmosphere

Catherine Walsh, Chunhua Qi, David J. Wilner, Edwin A. Bergin, Ewine F. van Dishoeck, Geoffrey A. Blake, Jane Huang, Jennifer B. Bergner, Jenny K. Calahan, Jeroen Terwisscha van Scheltinga, Karin I. Oberg, L. Ilsedore Cleeves, Michiel R. Hogerheijde, Mihkel Kama, Paolo Cazzoletti, Richard Teague, Ryan A. Loomis, Viviana V. Guzman

arxiv:2102.09577 v1 · 2021-02-18 · astro-ph.EP · 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{JYUL7IBSXEVT7QAWDTUVXYVKLU}

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	2026-07-05T02:33:29.397896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e28bfa032b92b3fc0161ce95be2aa5d2f6bda35ca1530b580be3876a076dece

Aliases

arxiv: 2102.09577 · arxiv_version: 2102.09577v1 · doi: 10.48550/arxiv.2102.09577 · pith_short_12: JYUL7IBSXEVT · pith_short_16: JYUL7IBSXEVT7QAW · pith_short_8: JYUL7IBS

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/JYUL7IBSXEVT7QAWDTUVXYVKLU \
  | 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: 4e28bfa032b92b3fc0161ce95be2aa5d2f6bda35ca1530b580be3876a076dece

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0eb36fbb65eddeb935cd903a90664d356c40d42922c561f69c19cc38e1bec06",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-02-18T19:00:09Z",
    "title_canon_sha256": "0b43a786df52567651514876bd7b503283281f43f55beba5743c0c3a1ec4a7f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.09577",
    "kind": "arxiv",
    "version": 1
  }
}