Pith Number

pith:3JBWD5Q5

pith:2017:3JBWD5Q54XW6YALOQXWAXFEXJT

not attested not anchored not stored refs pending

Molecular abundances and C/O ratios in chemically evolving planet-forming disk midplanes

Catherine Walsh, Christian Eistrup, Ewine F van Dishoeck

arxiv:1709.07863 v1 · 2017-09-22 · 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{3JBWD5Q54XW6YALOQXWAXFEXJT}

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	2026-05-18T00:15:20.902577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da4361f61de5edec016e85ec0b94974cf90ac058087535d58c1daf0490dff117

Aliases

arxiv: 1709.07863 · arxiv_version: 1709.07863v1 · doi: 10.48550/arxiv.1709.07863 · pith_short_12: 3JBWD5Q54XW6 · pith_short_16: 3JBWD5Q54XW6YALO · pith_short_8: 3JBWD5Q5

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/3JBWD5Q54XW6YALOQXWAXFEXJT \
  | 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: da4361f61de5edec016e85ec0b94974cf90ac058087535d58c1daf0490dff117

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66c67de26d165b42bd5552073b0315887f9462cc94a312fb576a3313f0ca8978",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-09-22T17:38:02Z",
    "title_canon_sha256": "4468c4c02a78670bf0e6565fa958901e1e75f8a3aa442e6b6f4ac229875fdd74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.07863",
    "kind": "arxiv",
    "version": 1
  }
}