Pith Number

pith:672CV47K

pith:2015:672CV47KAEW5GPLF2G2LZSBTFB

not attested not anchored not stored refs pending

Spin-state chemistry of deuterated ammonia

J. Harju, O. Sipil\"a, P. Caselli, S. Schlemmer

arxiv:1507.02856 v1 · 2015-07-10 · 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{672CV47KAEW5GPLF2G2LZSBTFB}

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	2026-05-18T01:32:28.799624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7f42af3ea012dd33d65d1b4bcc833286088c2092e863bd70f1a3ff9e652a75e

Aliases

arxiv: 1507.02856 · arxiv_version: 1507.02856v1 · doi: 10.48550/arxiv.1507.02856 · pith_short_12: 672CV47KAEW5 · pith_short_16: 672CV47KAEW5GPLF · pith_short_8: 672CV47K

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/672CV47KAEW5GPLF2G2LZSBTFB \
  | 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: f7f42af3ea012dd33d65d1b4bcc833286088c2092e863bd70f1a3ff9e652a75e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2aee408e0cd61d15ea8c506c268f8114e1e019dcdcf6311daab719141d958b35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-07-10T11:22:47Z",
    "title_canon_sha256": "31d37cd6947f1a3f3451365cd056b23a6d4cd0001ec91f3732c8138c7bf74f41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02856",
    "kind": "arxiv",
    "version": 1
  }
}