Pith Number

pith:EZRGW3JE

pith:2017:EZRGW3JEJFW5KVJ2KW7DBUBUK3

not attested not anchored not stored refs pending

First detection of cyanamide (NH$_2$CN) towards solar-type protostars

A. Coutens, E. F. van Dishoeck, E. R. Willis, G. St\'ephan, H. Calcutt, H. S. P. M\"uller, J. K. J{\o}rgensen, M. H. D. van der Wiel, M. N. Drozdovskaya, M. V. Persson, N. F. W. Ligterink, R. T. Garrod, S. F. Wampfler, T. L. Bourke

arxiv:1712.09548 v1 · 2017-12-27 · astro-ph.SR · 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{EZRGW3JEJFW5KVJ2KW7DBUBUK3}

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	2026-05-18T00:16:27.517675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26626b6d24496dd5553a55be30d03456eb5ff92f25c418e36e98e1be1608b410

Aliases

arxiv: 1712.09548 · arxiv_version: 1712.09548v1 · doi: 10.48550/arxiv.1712.09548 · pith_short_12: EZRGW3JEJFW5 · pith_short_16: EZRGW3JEJFW5KVJ2 · pith_short_8: EZRGW3JE

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/EZRGW3JEJFW5KVJ2KW7DBUBUK3 \
  | 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: 26626b6d24496dd5553a55be30d03456eb5ff92f25c418e36e98e1be1608b410

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96b575440551b2abddb934032e065db58f8bf6e8af077067126de4b00dd99b3d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-27T11:17:12Z",
    "title_canon_sha256": "046b21d51500a4c94784e6baf1cf61cc1b07b4f95fc9b99d93b23d4b0bd83f67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09548",
    "kind": "arxiv",
    "version": 1
  }
}