Pith Number

pith:SUBFAMSF

pith:2019:SUBFAMSFHYBE2RYPN7UJVIP4JT

not attested not anchored not stored refs pending

Unlocking CO Depletion in Protoplanetary Disks II. Primordial C/H Predictions Inside the CO Snowline

Dana E. Anderson (CalTech), Edwin A. Bergin (U. of Michigan), Geoffrey A. Blake (Caltech), Kamber R. Schwarz (U. of Arizona), Karin I. \"Oberg (Harvard CfA), Ke Zhang (U. of Michigan), L. Ilsedore Cleeves (U. of Virginia)

arxiv:1904.10422 v1 · 2019-04-23 · 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{SUBFAMSFHYBE2RYPN7UJVIP4JT}

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	2026-05-17T23:43:34.502145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95025032453e024d470f6fe89aa1fc4cc5a9549dc0c41a9ca3a851093722dc2f

Aliases

arxiv: 1904.10422 · arxiv_version: 1904.10422v1 · doi: 10.48550/arxiv.1904.10422 · pith_short_12: SUBFAMSFHYBE · pith_short_16: SUBFAMSFHYBE2RYP · pith_short_8: SUBFAMSF

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/SUBFAMSFHYBE2RYPN7UJVIP4JT \
  | 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: 95025032453e024d470f6fe89aa1fc4cc5a9549dc0c41a9ca3a851093722dc2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a46edc9957cb96c208f66c9d743b14b153ace4be93ec3b81a0eb02a73c4a4f2c",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-04-23T17:00:14Z",
    "title_canon_sha256": "1247d0ae6dacf1f7cd429392dfd9217fa6dd6da06465253f9b85955a0b7fe490"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10422",
    "kind": "arxiv",
    "version": 1
  }
}