Pith Number

pith:SEDZOTV4

pith:2013:SEDZOTV4H7KFAB5BDPK4BKSH3N

not attested not anchored not stored refs pending

Toward a New Geometric Distance to the Active Galaxy NGC 4258. III. Final Results and the Hubble Constant

Alice Argon, Jim Moran, Lincoln Greenhill, Liz Humphreys, Mark Reid

arxiv:1307.6031 v1 · 2013-07-23 · astro-ph.CO · astro-ph.GA

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	2026-05-18T01:36:57.200024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9107974ebc3fd45007a11bd5c0aa47db61f76a8055542ed524ccda48b238e3cf

Aliases

arxiv: 1307.6031 · arxiv_version: 1307.6031v1 · doi: 10.48550/arxiv.1307.6031 · pith_short_12: SEDZOTV4H7KF · pith_short_16: SEDZOTV4H7KFAB5B · pith_short_8: SEDZOTV4

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/SEDZOTV4H7KFAB5BDPK4BKSH3N \
  | 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: 9107974ebc3fd45007a11bd5c0aa47db61f76a8055542ed524ccda48b238e3cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e9ee852f977de416717239531f796acea1de715520596ac3851cf4763600008",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-23T11:53:40Z",
    "title_canon_sha256": "ea09fb24fc844b34da5712a11bd2461fe3d3c3a8edcf3362d95b837b96334b58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6031",
    "kind": "arxiv",
    "version": 1
  }
}