Pith Number

pith:E4SL43MQ

pith:2017:E4SL43MQ6P3EZJBDQ2KM4YGQ7B

not attested not anchored not stored refs pending

L1157-B1, a factory of complex organic molecules in a Solar-type star forming region

1), (2) INAF, (3) UPS-OMP, (4) UCL, (5) IGN, B. Lefloch (1), C. Ceccarelli (1), C. Codella (2), C. Favre (2, C. Vastel (3), Firenze, France, Grenoble, IPAG, IRAP, Italy, London, L. Podio (2), Observatorio Astron\'omico Nacional, Osservatorio Astrofisico di Arcetri, R. Bachiller (5) ((1) Univ. Grenoble Alpes/CNRS, Spain), S. Viti (4), Toulouse, United Kingdom

arxiv:1704.04646 v1 · 2017-04-15 · 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{E4SL43MQ6P3EZJBDQ2KM4YGQ7B}

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	2026-05-18T00:43:25.609830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2724be6d90f3f64ca4238694ce60d0f85c40e013322d15f6d7528b26d5fb662d

Aliases

arxiv: 1704.04646 · arxiv_version: 1704.04646v1 · doi: 10.48550/arxiv.1704.04646 · pith_short_12: E4SL43MQ6P3E · pith_short_16: E4SL43MQ6P3EZJBD · pith_short_8: E4SL43MQ

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/E4SL43MQ6P3EZJBDQ2KM4YGQ7B \
  | 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: 2724be6d90f3f64ca4238694ce60d0f85c40e013322d15f6d7528b26d5fb662d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4458f35049df6395733ee15ebb392911c075dedbc01ef65f7c478e966ecd242b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-04-15T15:04:41Z",
    "title_canon_sha256": "d399c553cd8889632f3b8ae1a369e33b806605ace3c00a2f906bc83b50c3ba93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04646",
    "kind": "arxiv",
    "version": 1
  }
}