Pith Number

pith:BD4CYQQK

pith:2011:BD4CYQQKV4WS6S64ZDP4SRDO5X

not attested not anchored not stored refs pending

Periodic variability of 6.7GHz methanol masers in G22.357+0.066

A. Bartkiewicz, H.J. van Langevelde, M. Szymczak, P. Wolak

arxiv:1105.4089 v1 · 2011-05-20 · 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{BD4CYQQKV4WS6S64ZDP4SRDO5X}

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	2026-05-18T02:01:53.654592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08f82c420aaf2d2f4bdcc8dfc9446eedf6b2fc0331d1bcadb423b9240099a70c

Aliases

arxiv: 1105.4089 · arxiv_version: 1105.4089v1 · doi: 10.48550/arxiv.1105.4089 · pith_short_12: BD4CYQQKV4WS · pith_short_16: BD4CYQQKV4WS6S64 · pith_short_8: BD4CYQQK

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/BD4CYQQKV4WS6S64ZDP4SRDO5X \
  | 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: 08f82c420aaf2d2f4bdcc8dfc9446eedf6b2fc0331d1bcadb423b9240099a70c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abd9a6e75dbd1f172c5e240b05e9ef49c381922192ff0aa67cee0b728cc722bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-05-20T13:46:28Z",
    "title_canon_sha256": "c16f57f3bfb2f7303d4bbf41ab2f7d37f2b1fdda78726b8d23ba8f12580f05d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4089",
    "kind": "arxiv",
    "version": 1
  }
}