Pith Number

pith:VNL4KCDN

pith:2017:VNL4KCDNV3EENJEO72Y6MTDYSQ

not attested not anchored not stored refs pending

The ALMA-PILS survey: Detection of CH$_{3}$NCO toward the low-mass protostar IRAS 16293-2422 and laboratory constraints on its formation

A. Coutens, E. F. van Dishoeck, H. Calcutt, H. Linnartz, H. S. P. M\"uller, J. K. J{\o}rgensen, N. F. W. Ligterink, R. T. Garrod, S. F. Wampfler, V. Kofman

arxiv:1703.03252 v3 · 2017-03-09 · 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{VNL4KCDNV3EENJEO72Y6MTDYSQ}

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	2026-05-18T00:14:22.743584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab57c5086daec846a48efeb1e64c78942339a47719e68614c17c9d4cedd89ee2

Aliases

arxiv: 1703.03252 · arxiv_version: 1703.03252v3 · doi: 10.48550/arxiv.1703.03252 · pith_short_12: VNL4KCDNV3EE · pith_short_16: VNL4KCDNV3EENJEO · pith_short_8: VNL4KCDN

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/VNL4KCDNV3EENJEO72Y6MTDYSQ \
  | 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: ab57c5086daec846a48efeb1e64c78942339a47719e68614c17c9d4cedd89ee2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "241ca8609e465a8c83b26d0b9eff9c821c4346534436d5891be72a7cffbd6db5",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-03-09T13:02:19Z",
    "title_canon_sha256": "3a6b18ed1db28d2cdb2ba0fc44cf42437c65e70e7f3d59cb0943f1ae09e6fc66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03252",
    "kind": "arxiv",
    "version": 3
  }
}