Pith Number

pith:3GBQLMFH

pith:2019:3GBQLMFHBJUVHPHUXR4577O6UP

not attested not anchored not stored refs pending

The Fundamental Vibrational Frequencies and Spectroscopic Constants of the Dicyanoamine Anion, NCNCN$^-$ (C$_2$N$_3^-$): Quantum Chemical Analysis for Astrophysical and Planetary Environments

David Dubois, Ella Sciamma-O'Brien, Ryan Fortenberry

arxiv:1907.10366 v1 · 2019-07-24 · astro-ph.EP · astro-ph.SR · 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{3GBQLMFHBJUVHPHUXR4577O6UP}

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	2026-07-05T00:09:01.893119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d98305b0a70a6953bcf4bc79dffddea3d688db222113a356d438123b4c236128

Aliases

arxiv: 1907.10366 · arxiv_version: 1907.10366v1 · doi: 10.48550/arxiv.1907.10366 · pith_short_12: 3GBQLMFHBJUV · pith_short_16: 3GBQLMFHBJUVHPHU · pith_short_8: 3GBQLMFH

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/3GBQLMFHBJUVHPHUXR4577O6UP \
  | 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: d98305b0a70a6953bcf4bc79dffddea3d688db222113a356d438123b4c236128

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4b5aa7d8b1829e21fe21c49a42cd0b479ccf5e8fd39d10c2648b28d8c9f5d62",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-07-24T11:11:12Z",
    "title_canon_sha256": "6b59b6b7741e01b9f79732fc4ec87ffdd9e4ab3bd863e85860bb9f55a3751119"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10366",
    "kind": "arxiv",
    "version": 1
  }
}