Pith Number

pith:EPQ5NPHE

pith:2014:EPQ5NPHEONTOHSHKMA62ZHII42

not attested not anchored not stored refs pending

Upper limits to interstellar NH+ and para-NH2- abundances. Herschel-HIFI observations towards Sgr B2 (M) and G10.6-0.4 (W31C)

{\AA}. Hjalmarson, A.O.H. Olofsson, C.M. Persson, D.C. Lis, E. Herbst, E.S. Wirstr\"om, G.E. Hassel, H.M. Cuppen, H.S.P. M\"uller, J. Cernicharo, J.H. Black, K.M. Menten, M. Gerin, M. Hajigholi, M. Olberg

arxiv:1407.1823 v1 · 2014-07-07 · 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{EPQ5NPHEONTOHSHKMA62ZHII42}

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	2026-05-18T02:43:34.448026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23e1d6bce47366e3c8ea603dac9d08e694512320b0379246f07779c17baaf2e8

Aliases

arxiv: 1407.1823 · arxiv_version: 1407.1823v1 · doi: 10.48550/arxiv.1407.1823 · pith_short_12: EPQ5NPHEONTO · pith_short_16: EPQ5NPHEONTOHSHK · pith_short_8: EPQ5NPHE

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/EPQ5NPHEONTOHSHKMA62ZHII42 \
  | 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: 23e1d6bce47366e3c8ea603dac9d08e694512320b0379246f07779c17baaf2e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bad0e833f2540e98cd465e03de6aa53713f61b987221669f381192e81123b41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-07-07T19:51:18Z",
    "title_canon_sha256": "35b10e4df1a4ecfe2fd74f39dca8fb64b4db79b554669f08bc10d1f9b268163d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.1823",
    "kind": "arxiv",
    "version": 1
  }
}