Pith Number

pith:2Y64YHCP

pith:2026:2Y64YHCP77C3NF2I7N6SIX4RQQ

not attested not anchored not stored refs pending

Laboratory spectroscopy, theoretical characterization, and astronomical search for syn-propenethial (CH2CHCHS)

Carlos Cabezas, Germ\'an Molpeceres, Gisela Esplugues, Jos\'e Cernicharo, Lucie Kolesnikov\'a, Marcelino Ag\'undez, Mar\'ia Mallo, Yasuki Endo

arxiv:2607.24656 v1 · 2026-07-27 · 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{2Y64YHCP77C3NF2I7N6SIX4RQQ}

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	2026-07-28T02:24:21.101769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d63dcc1c4fffc5b69748fb7d245f91841c79b16c7cebdbae88e057b43c2db975

Aliases

arxiv: 2607.24656 · arxiv_version: 2607.24656v1 · doi: 10.48550/arxiv.2607.24656 · pith_short_12: 2Y64YHCP77C3 · pith_short_16: 2Y64YHCP77C3NF2I · pith_short_8: 2Y64YHCP

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/2Y64YHCP77C3NF2I7N6SIX4RQQ \
  | 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: d63dcc1c4fffc5b69748fb7d245f91841c79b16c7cebdbae88e057b43c2db975

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a8e9b6f12b9da21767574c97d5a7751ee57682d98d70d83a8763c5fe060d1b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-27T16:52:52Z",
    "title_canon_sha256": "1e083648dfe205dab8509806d2810e551ec6408953a20b1530a4c493e8f14a53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.24656",
    "kind": "arxiv",
    "version": 1
  }
}