Pith Number

pith:FR3SRZVW

pith:2009:FR3SRZVW2FBOWHKFVOMNSLO75H

not attested not anchored not stored refs pending

Deuterium chemistry in the Orion Bar PDR - "warm" chemistry starring CH2D+

B. Parise, D. C. Lis, E. Roueff, P. Schilke, S. Leurini, S. Thorwirth

arxiv:0909.4683 v1 · 2009-09-25 · 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{FR3SRZVW2FBOWHKFVOMNSLO75H}

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	2026-05-18T02:11:37.663307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c7728e6b6d142eb1d45ab98d92ddfe9e323bef8b8d719a676ba4232d58e832c

Aliases

arxiv: 0909.4683 · arxiv_version: 0909.4683v1 · doi: 10.48550/arxiv.0909.4683 · pith_short_12: FR3SRZVW2FBO · pith_short_16: FR3SRZVW2FBOWHKF · pith_short_8: FR3SRZVW

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/FR3SRZVW2FBOWHKFVOMNSLO75H \
  | 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: 2c7728e6b6d142eb1d45ab98d92ddfe9e323bef8b8d719a676ba4232d58e832c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32a90e2083b6a640458407eb811901b68fc8d8165b216f46c65faceb646fb7c3",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-09-25T12:50:38Z",
    "title_canon_sha256": "84d286d9119ef5a389f315186f365e6ba93267bfd6f89782dd317e4dd08617a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4683",
    "kind": "arxiv",
    "version": 1
  }
}