Pith Number

pith:G47QCQLG

pith:2018:G47QCQLGUD6ZV7GFVMYUSVZVQH

not attested not anchored not stored refs pending

ALMA Observations of the Spatial Distribution of three C$_2$H$_4$O$_2$ Isomers towards Sgr B2(N)

(2) National Radio Astronomy Observatory), Andrew M. Burkhardt (1), Anthony J. Remijan (2), Ci Xue (1), Eric Herbst (1) ((1) University of Virginia

arxiv:1812.07091 v2 · 2018-12-17 · 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{G47QCQLGUD6ZV7GFVMYUSVZVQH}

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	2026-05-17T23:52:03.613540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

373f014166a0fd9afcc5ab3149573581d053c3fe8c2e360e20f63524c434a5fb

Aliases

arxiv: 1812.07091 · arxiv_version: 1812.07091v2 · doi: 10.48550/arxiv.1812.07091 · pith_short_12: G47QCQLGUD6Z · pith_short_16: G47QCQLGUD6ZV7GF · pith_short_8: G47QCQLG

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/G47QCQLGUD6ZV7GFVMYUSVZVQH \
  | 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: 373f014166a0fd9afcc5ab3149573581d053c3fe8c2e360e20f63524c434a5fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "898eaef63eaf6cd34327e2c74d2572d83201512e8dc66afc60143a958500077b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-17T23:13:52Z",
    "title_canon_sha256": "e4489fef5de97142fc82f3c0bf629e02edf4557a13308fb90dc3b4a404aee845"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07091",
    "kind": "arxiv",
    "version": 2
  }
}