Pith Number

pith:OSH3HFGF

pith:2011:OSH3HFGFG2A56SKJMTAEDLKTX5

not attested not anchored not stored refs pending

Nitrogen hydrides and the H2 ortho-to-para ratio in dark clouds

Alexandre Faure (IPAG), Aurore Bacmann (IPAG), Guillaume Pineau Des For\^ets (IAS, LERMA), Pierre Hily-Blant (IPAG), S\'ebastien Maret (IPAG), Vincent Dislaire (IPAG)

arxiv:1111.1572 v1 · 2011-11-07 · 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{OSH3HFGFG2A56SKJMTAEDLKTX5}

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	2026-05-18T01:59:44.560798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

748fb394c53681df494964c041ad53bf426b17e4bb1441d84f0bbba3511caab0

Aliases

arxiv: 1111.1572 · arxiv_version: 1111.1572v1 · doi: 10.48550/arxiv.1111.1572 · pith_short_12: OSH3HFGFG2A5 · pith_short_16: OSH3HFGFG2A56SKJ · pith_short_8: OSH3HFGF

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/OSH3HFGFG2A56SKJMTAEDLKTX5 \
  | 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: 748fb394c53681df494964c041ad53bf426b17e4bb1441d84f0bbba3511caab0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8717041a27feccc75c93a7f542084cdccaf5bc3038c742200f4f5839f62485aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-11-07T13:32:44Z",
    "title_canon_sha256": "13556692af8752e4b3c5da12a4d1ddc529b1667ce481920f816ae44f4b61a410"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1572",
    "kind": "arxiv",
    "version": 1
  }
}