Pith Number

pith:V4PQEXZU

pith:2012:V4PQEXZUNDQMGDKOMSUXMPU5KF

not attested not anchored not stored refs pending

The Shapes of the HI Velocity Profiles of the THINGS Galaxies

Fabian Walter, George H. Heald, R. Ianjamasimanana, W. J. G. de Blok

arxiv:1207.5041 v1 · 2012-07-20 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V4PQEXZUNDQMGDKOMSUXMPU5KF}

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	2026-05-18T01:56:15.538696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af1f025f3468e0c30d4e64a9763e9d5172226b57126de6f920a6f7bf51fc3eb1

Aliases

arxiv: 1207.5041 · arxiv_version: 1207.5041v1 · doi: 10.48550/arxiv.1207.5041 · pith_short_12: V4PQEXZUNDQM · pith_short_16: V4PQEXZUNDQMGDKO · pith_short_8: V4PQEXZU

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/V4PQEXZUNDQMGDKOMSUXMPU5KF \
  | 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: af1f025f3468e0c30d4e64a9763e9d5172226b57126de6f920a6f7bf51fc3eb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71e1c863ab3c40420e9559bf8495fde372983a61f9b3e5c758fe7561a6dc59e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-20T19:58:53Z",
    "title_canon_sha256": "416d4f70806089b235d1fabb0bbe0f5fee3ac2be0a839eb34c3ce9116e3cdc09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5041",
    "kind": "arxiv",
    "version": 1
  }
}