Pith Number

pith:HU6LQS2C

pith:2002:HU6LQS2CIESYW5GTCR6Y7G77GF

not attested not anchored not stored refs pending

3-D Kinematics of Water Masers in the W51A Region

Hiroshi Imai, Junichi Nakajima, Masanori Nishio, Osamu Kameya, Takeshi Miyaji, Teruhiko Watanabe, Toshihiro Omodaka

arxiv:astro-ph/0207648 v1 · 2002-07-30 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HU6LQS2CIESYW5GTCR6Y7G77GF}

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	2026-05-18T01:40:42.430587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d3cb84b4241258b74d3147d8f9bff3144e90fb68366b4a8f12f36dab68d3d2c

Aliases

arxiv: astro-ph/0207648 · arxiv_version: astro-ph/0207648v1 · doi: 10.48550/arxiv.astro-ph/0207648 · pith_short_12: HU6LQS2CIESY · pith_short_16: HU6LQS2CIESYW5GT · pith_short_8: HU6LQS2C

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/HU6LQS2CIESYW5GTCR6Y7G77GF \
  | 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: 3d3cb84b4241258b74d3147d8f9bff3144e90fb68366b4a8f12f36dab68d3d2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6403abd1de387831793bd00808a90beffcec09202e3cfe2c125d2368c4eb998",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-07-30T10:29:05Z",
    "title_canon_sha256": "b2f36e7f349424a9268e5a769f6f34bdcaaef43294d7b6b2797539d16b0cbc0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207648",
    "kind": "arxiv",
    "version": 1
  }
}