Pith Number

pith:GYINWM5P

pith:2008:GYINWM5PLQIOUDTGYVE2TYS2QI

not attested not anchored not stored refs pending

H2O and OH gas in the terrestrial planet-forming zones of protoplanetary disks

C. Salyk, E.F. van Dishoeck, F. Lahuis, G.A. Blake, K.M. Pontoppidan, N.J. Evans II

arxiv:0802.0037 v1 · 2008-02-01 · 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{GYINWM5PLQIOUDTGYVE2TYS2QI}

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	2026-07-04T17:09:06.390841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3610db33af5c10ea0e66c549a9e25a823b14683b16700bd774a393274a546463

Aliases

arxiv: 0802.0037 · arxiv_version: 0802.0037v1 · doi: 10.48550/arxiv.0802.0037 · pith_short_12: GYINWM5PLQIO · pith_short_16: GYINWM5PLQIOUDTG · pith_short_8: GYINWM5P

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/GYINWM5PLQIOUDTGYVE2TYS2QI \
  | 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: 3610db33af5c10ea0e66c549a9e25a823b14683b16700bd774a393274a546463

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d260a0b7e6d3ed495720288b48bad00d14e2795349e632221914cca757f70284",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-02-01T00:01:00Z",
    "title_canon_sha256": "ed36c250c864ce47ecdc32d406abe2922a03db688c192b3b368bd3fab9eac026"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.0037",
    "kind": "arxiv",
    "version": 1
  }
}