Pith Number

pith:7GUV5U2R

pith:2011:7GUV5U2RVJ5SWJ7ZN6PSOFQQYB

not attested not anchored not stored refs pending

Distribution and excitation of thermal methanol in 6.7 GHz maser bearing star-forming regions; I. The nearby source Cepheus A

1), 2), (2) Joint Institute for VLBI in Europe, (3) SRON Netherlands Institute for Space Research, 4), (4) Kapteyn Astronomical Institute, (5) Argelander-Institut fur Astronomie der Universitat Bonn), Floris F.S. van der Tak (3, Huib Jan van Langevelde (2, Karl J.E. Torstensson (1, Lars E. Kristensen (1), Leiden University, University of Groningen, Wouter H.T. Vlemmings (5) ((1) Leiden Observatory

arxiv:1102.3845 v1 · 2011-02-18 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7GUV5U2RVJ5SWJ7ZN6PSOFQQYB}

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	2026-05-18T02:03:09.349831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9a95ed351aa7b2b27f96f9f271610c047b4dabb7c086613b76aa95c287c6389

Aliases

arxiv: 1102.3845 · arxiv_version: 1102.3845v1 · doi: 10.48550/arxiv.1102.3845 · pith_short_12: 7GUV5U2RVJ5S · pith_short_16: 7GUV5U2RVJ5SWJ7Z · pith_short_8: 7GUV5U2R

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/7GUV5U2RVJ5SWJ7ZN6PSOFQQYB \
  | 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: f9a95ed351aa7b2b27f96f9f271610c047b4dabb7c086613b76aa95c287c6389

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a0ff67c50c75faae7a419c796eb176fef2532f19508810ac4ef4a262e103917",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-18T14:31:08Z",
    "title_canon_sha256": "7fc2a27896370f879883a4e8a1d9f81aa1b9bff9b52e76c060d3031a9b7492a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3845",
    "kind": "arxiv",
    "version": 1
  }
}