Pith Number

pith:6JDWHDHM

pith:2020:6JDWHDHMZ7B2PWZM62XKEAF7YG

not attested not anchored not stored refs pending

The baryonic specific angular momentum of disc galaxies

Elizabeth A. K. Adams, Filippo Fraternali, Lorenzo Posti, Pavel E. Mancera Pi\~na, Tom Oosterloo

arxiv:2009.06645 v4 · 2020-09-14 · astro-ph.GA · 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{6JDWHDHMZ7B2PWZM62XKEAF7YG}

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	2026-07-05T02:57:09.073854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f247638ceccfc3a7db2cf6aea200bfc180028048b7115e60615541af5c0c47fa

Aliases

arxiv: 2009.06645 · arxiv_version: 2009.06645v4 · doi: 10.48550/arxiv.2009.06645 · pith_short_12: 6JDWHDHMZ7B2 · pith_short_16: 6JDWHDHMZ7B2PWZM · pith_short_8: 6JDWHDHM

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/6JDWHDHMZ7B2PWZM62XKEAF7YG \
  | 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: f247638ceccfc3a7db2cf6aea200bfc180028048b7115e60615541af5c0c47fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13109c9d885199196f916479f11000dd38a2ecada9e9fa8549f888366e15734e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-09-14T18:00:02Z",
    "title_canon_sha256": "80c0deca06810e0fbc34a6e05247ccb466357948f706befd290ba5ffa44c2a9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.06645",
    "kind": "arxiv",
    "version": 4
  }
}