Pith Number

pith:PFMPYTMG

pith:2019:PFMPYTMGKGFCUHIG6GWVEUU4TA

not attested not anchored not stored refs pending

Laboratory spectroscopic study of the $^{15}$N isotopomers of cyanamide, H$_2$NCN, and a search for them toward IRAS 16293$-$2422 B

A. Coutens, F. Lewen, H. S. P. M\"uller, J. K. J{\o}rgensen, O. Zakharenko, S. Schlemmer

arxiv:1901.00421 v2 · 2019-01-02 · astro-ph.SR · astro-ph.GA · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PFMPYTMGKGFCUHIG6GWVEUU4TA}

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	2026-05-17T23:51:30.372010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7958fc4d86518a2a1d06f1ad52529c983ddfba61e71129639550457c8c33fbf1

Aliases

arxiv: 1901.00421 · arxiv_version: 1901.00421v2 · doi: 10.48550/arxiv.1901.00421 · pith_short_12: PFMPYTMGKGFC · pith_short_16: PFMPYTMGKGFCUHIG · pith_short_8: PFMPYTMG

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/PFMPYTMGKGFCUHIG6GWVEUU4TA \
  | 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: 7958fc4d86518a2a1d06f1ad52529c983ddfba61e71129639550457c8c33fbf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c1dc371d7e934bd48b1c511f820def8be69fd5a98a5caa16c761fe3eea7dfbc",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-01-02T15:41:21Z",
    "title_canon_sha256": "9b3361c981dde31c43eb96ca9cca3dd6e97ee7a9cf1a94bd33a9de2021995716"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00421",
    "kind": "arxiv",
    "version": 2
  }
}