Pith Number

pith:CQF4U4MF

pith:1996:CQF4U4MFSJIQNXHPWSOYAKRS2A

not attested not anchored not stored refs pending

Mass of the Galaxy Inferred from Outer Rotation Curve

Mareki Honma, University of Tokyo), Yoshiaki Sofue (Institute of Astronomy

arxiv:astro-ph/9611156 v1 · 1996-11-20 · 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{CQF4U4MFSJIQNXHPWSOYAKRS2A}

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	2026-05-18T01:40:18.803280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

140bca7185925106dcefb49d802a32d027af921dbadd14408daf1dda05c1b2c6

Aliases

arxiv: astro-ph/9611156 · arxiv_version: astro-ph/9611156v1 · doi: 10.48550/arxiv.astro-ph/9611156 · pith_short_12: CQF4U4MFSJIQ · pith_short_16: CQF4U4MFSJIQNXHP · pith_short_8: CQF4U4MF

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/CQF4U4MFSJIQNXHPWSOYAKRS2A \
  | 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: 140bca7185925106dcefb49d802a32d027af921dbadd14408daf1dda05c1b2c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9320d605d8d94999455146443f68bca2c01b95b145548b4b37541ecc74de7a68",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-11-20T08:37:45Z",
    "title_canon_sha256": "0c3a974fa7f4e6846b97f7d720f34d8b54f3c1be88654fa38ec4b94ac6cc7d05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9611156",
    "kind": "arxiv",
    "version": 1
  }
}