Pith Number

pith:DFGTYMCJ

pith:2022:DFGTYMCJ3BPYGNM6W2RJIJIHRG

not attested not anchored not stored refs pending

The ALMA-PILS survey: First tentative detection of 3-hydroxypropenal (HOCHCHCHO) in the interstellar medium and chemical modeling of the C$_3$H$_4$O$_2$ isomers

A. Boulanger, A. Coutens, E. Caux, H. S. P. M\"uller, J.-C. Loison, J. K. J{\o}rgensen, S. Manigand, V. Wakelam

arxiv:2203.14119 v1 · 2022-03-26 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFGTYMCJ3BPYGNM6W2RJIJIHRG}

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	2026-07-05T04:16:04.149831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

194d3c3049d85f83359eb6a294250789872444329880579635f591c7af3a405d

Aliases

arxiv: 2203.14119 · arxiv_version: 2203.14119v1 · doi: 10.48550/arxiv.2203.14119 · pith_short_12: DFGTYMCJ3BPY · pith_short_16: DFGTYMCJ3BPYGNM6 · pith_short_8: DFGTYMCJ

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/DFGTYMCJ3BPYGNM6W2RJIJIHRG \
  | 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: 194d3c3049d85f83359eb6a294250789872444329880579635f591c7af3a405d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdfb7b32481b7634a1d30c7a4b9821baaaf4f562382ce983433a55d5674c8547",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-03-26T17:33:34Z",
    "title_canon_sha256": "930b0afb980eec52839eeb41c3a69c5a56df8aaff4240564bcc09da33386a67c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.14119",
    "kind": "arxiv",
    "version": 1
  }
}