Pith Number

pith:VGUCH3AQ

pith:2011:VGUCH3AQOHN2CRIOETF3RVX7N6

not attested not anchored not stored refs pending

Studies of methanol maser rings

(2) Joint Institute for VLBI in Europe, 3), (3) Sterrewacht Leiden, (4) Stratospheric Observatory For Infrared Astronomy, (5) Department of Physics, 6) ((1) Torun Centre for Astronomy, (6) National Radio Astronomy Observatory, A.Bartkiewicz (1), Astronomy, Dwingeloo, H.J.van Langevelde (2, J.M.De Buizer (4), M.Szymczak (1), Nicolaus Copernicus University, Poland, Socorro, The Netherlands, University of New Mexico, USA, USA), Y.Pihlstr\"om (5

arxiv:1102.0854 v1 · 2011-02-04 · 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{VGUCH3AQOHN2CRIOETF3RVX7N6}

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	2026-05-18T02:22:40.632776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9a823ec1071dba1450e24cbb8d6ff6f97132b008dc37009d1db2c88315887d9

Aliases

arxiv: 1102.0854 · arxiv_version: 1102.0854v1 · doi: 10.48550/arxiv.1102.0854 · pith_short_12: VGUCH3AQOHN2 · pith_short_16: VGUCH3AQOHN2CRIO · pith_short_8: VGUCH3AQ

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/VGUCH3AQOHN2CRIOETF3RVX7N6 \
  | 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: a9a823ec1071dba1450e24cbb8d6ff6f97132b008dc37009d1db2c88315887d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "615746612d6ed3d7218d7cb729f5a66bd5f667fbbfa91825efec5b177bd14ffc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-02-04T09:06:00Z",
    "title_canon_sha256": "4ddb93a947d0dcb41c9e79f4cc9ec812c1a777484edad6e458899f8b2b0d9d0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0854",
    "kind": "arxiv",
    "version": 1
  }
}