Pith Number

pith:2D4BIJK7

pith:2011:2D4BIJK7BWLU3EJH5C7OA33VKT

not attested not anchored not stored refs pending

Bursting Activity in a High-Mass Star-Forming Region G33.64-0.21 Observed with the 6.7 GHz Methanol Maser

Akihiro Doi, Hideo Ogawa, Hideyuki Kobayashi, Kenta Fujisawa, Koichiro Sugiyama, Mareki Honma, Nanako Mochizuki, Noriyuki Kawaguchi, Nozomu Aoki, Tomoya Hirota, Toshihiro Omodaka, Yoshinori Yonekura

arxiv:1109.2429 v1 · 2011-09-12 · 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{2D4BIJK7BWLU3EJH5C7OA33VKT}

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	2026-05-18T02:00:34.537642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0f814255f0d974d9127e8bee06f7554f094653493c023b6fe3df6c1b42bfd98

Aliases

arxiv: 1109.2429 · arxiv_version: 1109.2429v1 · doi: 10.48550/arxiv.1109.2429 · pith_short_12: 2D4BIJK7BWLU · pith_short_16: 2D4BIJK7BWLU3EJH · pith_short_8: 2D4BIJK7

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/2D4BIJK7BWLU3EJH5C7OA33VKT \
  | 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: d0f814255f0d974d9127e8bee06f7554f094653493c023b6fe3df6c1b42bfd98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "454ee0c40323725732abb9f2e33f944f470c64bd3cc2afa66f7c70cf54efb7be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-12T10:59:21Z",
    "title_canon_sha256": "7e9111e75fdd941f9b304d085d671a9df019d0e3bfcb96a40840c341363ff998"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2429",
    "kind": "arxiv",
    "version": 1
  }
}