Pith Number

pith:L7QJDXX7

pith:2011:L7QJDXX7FQWH4OKORGSOEJBWOI

not attested not anchored not stored refs pending

How well can we Measure the Intrinsic Velocity Dispersion of Distant Disk Galaxies?

A. Burkert, A. Sternberg, D. Lutz, E. Hicks, G. Cresci, J. Kurk, K. Shapiro, L.J. Tacconi, N. Bouche, N.M. Forster Schreiber, P. Buschkamp, R. Davies, R. Genzel, S. Genel, S. Newman, S. Wuyts

arxiv:1108.0285 v1 · 2011-08-01 · astro-ph.CO · astro-ph.IM

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

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	2026-05-18T02:01:04.931951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fe091deff2c2c7e394e89a4e22436720279b6c01795090aa593c7b176c07fcd

Aliases

arxiv: 1108.0285 · arxiv_version: 1108.0285v1 · doi: 10.48550/arxiv.1108.0285 · pith_short_12: L7QJDXX7FQWH · pith_short_16: L7QJDXX7FQWH4OKO · pith_short_8: L7QJDXX7

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/L7QJDXX7FQWH4OKORGSOEJBWOI \
  | 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: 5fe091deff2c2c7e394e89a4e22436720279b6c01795090aa593c7b176c07fcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f3353c0784994b4c56ed0d85c675796edf8b5f6a23aae1e88ec2c4350d8a140",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-01T11:34:50Z",
    "title_canon_sha256": "12040541209a8b0446fdc3712facce2efd8f877d6e485674b5a321a3f8ab0097"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0285",
    "kind": "arxiv",
    "version": 1
  }
}