Pith Number

pith:BOJDYVLL

pith:2009:BOJDYVLLLLPPIGGDCNHHMYZCGP

not attested not anchored not stored refs pending

Warm gas phase chemistry as possible origin of high HDO/H2O ratios in hot and dense gases: application to inner protoplanetary discs

Edinburgh), Groningen, Inga Kamp (Kaptern Astronomical Institute, Peter Woitke (UK Astronomical Technology Centre, the Netherlands), UK), University of Edinburgh, Wing-Fai Thi (Institute for Astronomy

arxiv:0912.0701 v1 · 2009-12-03 · 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{BOJDYVLLLLPPIGGDCNHHMYZCGP}

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	2026-05-18T02:10:34.186217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b923c556b5adef418c3134e76632233c52cfdd935812f5baa68c35c878f20ef

Aliases

arxiv: 0912.0701 · arxiv_version: 0912.0701v1 · doi: 10.48550/arxiv.0912.0701 · pith_short_12: BOJDYVLLLLPP · pith_short_16: BOJDYVLLLLPPIGGD · pith_short_8: BOJDYVLL

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/BOJDYVLLLLPPIGGDCNHHMYZCGP \
  | 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: 0b923c556b5adef418c3134e76632233c52cfdd935812f5baa68c35c878f20ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de4a3e8c6d7e684fa85c56885522ee908325e8d93ec988bd541d64e9e5e6797c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-12-03T17:15:30Z",
    "title_canon_sha256": "b782d5fec4278002d7e2edf5a33eb7d3668bbb94d4fea6612f577b6f7d45597b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0701",
    "kind": "arxiv",
    "version": 1
  }
}