Pith Number

pith:4N6JEXTD

pith:2018:4N6JEXTDROIQ7GC4YME4RYRH34

not attested not anchored not stored refs pending

Ionization-Driven Depletion and Redistribution of CO in Protoplanetary Disks

(2) University of Texas, 3), (3) Korea Astronomy, (4) Jet Propulsion Laboratory), Alyssa Ramos (2), Karen Willacy (4) ((1) University of Delaware/Bartol Research Institute, Mo Yu (2), Neal J. Evans II (2, Sarah E. Dodson-Robinson (1), Space Science Institute

arxiv:1811.05934 v1 · 2018-11-14 · 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{4N6JEXTDROIQ7GC4YME4RYRH34}

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	2026-05-17T23:59:04.162047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e37c925e638b910f985cc309c8e227df16e11a53e41f8393bfb58a7b39286961

Aliases

arxiv: 1811.05934 · arxiv_version: 1811.05934v1 · doi: 10.48550/arxiv.1811.05934 · pith_short_12: 4N6JEXTDROIQ · pith_short_16: 4N6JEXTDROIQ7GC4 · pith_short_8: 4N6JEXTD

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/4N6JEXTDROIQ7GC4YME4RYRH34 \
  | 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: e37c925e638b910f985cc309c8e227df16e11a53e41f8393bfb58a7b39286961

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dca156ae68b943552b12be1dd0ad0ee806a5cefdada368af241a83c1b72ed9d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-11-14T18:04:48Z",
    "title_canon_sha256": "07fc219bbef03d68d5229e038e439d3fda7bfbf0a6c1f14866b9eeaf7f201480"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05934",
    "kind": "arxiv",
    "version": 1
  }
}