Pith Number

pith:VCMLEQEP

pith:2010:VCMLEQEPVNLQJ6SMQKNXCC3QQS

not attested not anchored not stored refs pending

The Rare 23.1-GHz Methanol Masers in NGC 7538 IRS 1

2, (2) CRyA-UNAM, 3), (3) ASIAA, 4), (4) IAA, 5), (5) U. Sheffield, (6)Western Illinois U, (7)New Mexico Tech, 8, (8)NRAO, 9) ((1)CfA, (9)MPIfR, Edgar A. Ram\'irez (2, England, Esteban Araya (6), Gabriela Montes (2, Germany), Mexico, Peter Hofner (7, Roberto Galv\'an-Madrid (1, Spain, Stan Kurtz (2), Taiwan, USA

arxiv:1003.1230 v1 · 2010-03-05 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VCMLEQEPVNLQJ6SMQKNXCC3QQS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:08:45.838592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a898b2408fab5704fa4c829b710b7084980e0f39c366cfc14e47b2475cd442d6

Aliases

arxiv: 1003.1230 · arxiv_version: 1003.1230v1 · doi: 10.48550/arxiv.1003.1230 · pith_short_12: VCMLEQEPVNLQ · pith_short_16: VCMLEQEPVNLQJ6SM · pith_short_8: VCMLEQEP

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/VCMLEQEPVNLQJ6SMQKNXCC3QQS \
  | 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: a898b2408fab5704fa4c829b710b7084980e0f39c366cfc14e47b2475cd442d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe56c757a93f7a7c6a9198cd554174c56495e1a9a64713f94f4723c93f5bac1c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-03-05T19:34:54Z",
    "title_canon_sha256": "72a85449fc1188f9832812b5cc4cad740b793b64d320d9bc11016adb0bc6de59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.1230",
    "kind": "arxiv",
    "version": 1
  }
}