Pith Number

pith:WQOFEHWG

pith:2013:WQOFEHWGRKAM6TKNSXBVTG7DRH

not attested not anchored not stored refs pending

CH+ depletion by atomic hydrogen: accuracy of new rates in photo-dominated and self-shielded environments

F.A. Gianturco, M. Tacconi, S. Bovino, T. Grassi

arxiv:1306.4857 v2 · 2013-06-20 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQOFEHWGRKAM6TKNSXBVTG7DRH}

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	2026-05-18T03:04:08.348593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b41c521ec68a80cf4d4d95c3599be389cea21dd2bb7c0c1c50f0ea6e64991ca2

Aliases

arxiv: 1306.4857 · arxiv_version: 1306.4857v2 · doi: 10.48550/arxiv.1306.4857 · pith_short_12: WQOFEHWGRKAM · pith_short_16: WQOFEHWGRKAM6TKN · pith_short_8: WQOFEHWG

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/WQOFEHWGRKAM6TKNSXBVTG7DRH \
  | 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: b41c521ec68a80cf4d4d95c3599be389cea21dd2bb7c0c1c50f0ea6e64991ca2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fec10c9b77a664c5d61dba2c45508d8608f12926ee262854b21cc348c53d9dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-06-20T12:52:12Z",
    "title_canon_sha256": "adc351bec322d5772270e488f7a1b7135a9347cd4078c6d4f4701341e7183822"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4857",
    "kind": "arxiv",
    "version": 2
  }
}