Pith Number

pith:IS4S6IEO

pith:2018:IS4S6IEO2HFWCPW3EXQWRZQHEI

not attested not anchored not stored refs pending

ALMA Observations of Ethyl Formate toward Orion KL

Bing Zhou, J. X. Ge, Li Zhang, V. M. Rivilla, Yaping Peng

arxiv:1812.03700 v1 · 2018-12-10 · 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{IS4S6IEO2HFWCPW3EXQWRZQHEI}

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	2026-05-17T23:54:08.274676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44b92f208ed1cb613edb25e168e60722189d38b7c5c1e0de7eaef06b1f81dd98

Aliases

arxiv: 1812.03700 · arxiv_version: 1812.03700v1 · doi: 10.48550/arxiv.1812.03700 · pith_short_12: IS4S6IEO2HFW · pith_short_16: IS4S6IEO2HFWCPW3 · pith_short_8: IS4S6IEO

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/IS4S6IEO2HFWCPW3EXQWRZQHEI \
  | 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: 44b92f208ed1cb613edb25e168e60722189d38b7c5c1e0de7eaef06b1f81dd98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9370e7fca61ceb24f0ce02e6d5282d8abbab3fcbc93d0d398ff695372282e0a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-12-10T09:55:28Z",
    "title_canon_sha256": "f894ffcda7767c3bf2aba65222a7e9d4c76f6a3fb8ee8293b5014924cd036e7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03700",
    "kind": "arxiv",
    "version": 1
  }
}