Pith Number

pith:WQYZUZKD

pith:2007:WQYZUZKDDNXTT62UMT4CSGUBPD

not attested not anchored not stored refs pending

Cold CO Gas in Protoplanetary Disks

Yuri Aikawa

arxiv:astro-ph/0701366 v1 · 2007-01-12 · 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{WQYZUZKDDNXTT62UMT4CSGUBPD}

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	2026-05-18T04:29:07.338431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4319a65431b6f39fb5464f8291a8178c371d102c78dbb773a80f38dface813c

Aliases

arxiv: astro-ph/0701366 · arxiv_version: astro-ph/0701366v1 · doi: 10.48550/arxiv.astro-ph/0701366 · pith_short_12: WQYZUZKDDNXT · pith_short_16: WQYZUZKDDNXTT62U · pith_short_8: WQYZUZKD

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/WQYZUZKDDNXTT62UMT4CSGUBPD \
  | 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: b4319a65431b6f39fb5464f8291a8178c371d102c78dbb773a80f38dface813c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0d0f5dd331bae2c7fa2c12d2aa2e9727006d4b8bc298850248391636451648f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-12T06:48:06Z",
    "title_canon_sha256": "66f907a7a0e5ca6ca24abd26d432bd162b6377a731431ac5c3af496c804e2f7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701366",
    "kind": "arxiv",
    "version": 1
  }
}