Pith Number

pith:CTRF65JV

pith:2019:CTRF65JVXL3CJJZDWCMSUPLTLJ

not attested not anchored not stored refs pending

The Disk Gas Mass and the Far-IR Revolution

Charles M. Bradford, Edward Wright, Edwin A. Bergin, Gary J. Melnick, Jonathan P. Williams, Karin Oberg, Ke Zhang, Klaus M. Pontoppidan, L. Ilsedore Cleeves, Maryvonne Gerin, Melissa McClure, Neal J. Evans, Paul F. Goldsmith, Quentin Kral, Richard Teague, Thomas L. Roellig

arxiv:1903.08777 v1 · 2019-03-20 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CTRF65JVXL3CJJZDWCMSUPLTLJ}

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	2026-05-17T23:50:43.955536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14e25f7535baf624a723b0992a3d735a4aaa192be64abb37ad71edaf87649412

Aliases

arxiv: 1903.08777 · arxiv_version: 1903.08777v1 · doi: 10.48550/arxiv.1903.08777 · pith_short_12: CTRF65JVXL3C · pith_short_16: CTRF65JVXL3CJJZD · pith_short_8: CTRF65JV

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/CTRF65JVXL3CJJZDWCMSUPLTLJ \
  | 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: 14e25f7535baf624a723b0992a3d735a4aaa192be64abb37ad71edaf87649412

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "305d5beed1e9dd3ad38b4b5ddd60af2450e2efdcb276ecb588007b40cd2959e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-03-20T23:22:37Z",
    "title_canon_sha256": "91b5ae819c71c0d0ac66a63b7675ec2a09472d630678b952aa1466d070152b47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08777",
    "kind": "arxiv",
    "version": 1
  }
}