Pith Number

pith:OFFPFT43

pith:2012:OFFPFT43PKFKX7RJBZ3BUIIGWG

not attested not anchored not stored refs pending

The Megamaser Cosmology Project. V. An Angular Diameter Distance to NGC 6264 at 140 Mpc

Caterina M. V. Impellizzeri, Chengyu Kuo, Christian Henkel, Fred K. Y. Lo, James A. Braatz, James J. Condon, Mark J. Reid

arxiv:1207.7273 v2 · 2012-07-31 · astro-ph.CO

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.

Cited by

1 paper in Pith

Planck 2018 results. VI. Cosmological parameters

Receipt and verification

First computed	2026-05-18T01:56:00.650284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

714af2cf9b7a8aabfe290e761a2106b1880b3771a0d71af912103ce927962021

Aliases

arxiv: 1207.7273 · arxiv_version: 1207.7273v2 · doi: 10.48550/arxiv.1207.7273 · pith_short_12: OFFPFT43PKFK · pith_short_16: OFFPFT43PKFKX7RJ · pith_short_8: OFFPFT43

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/OFFPFT43PKFKX7RJBZ3BUIIGWG \
  | 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: 714af2cf9b7a8aabfe290e761a2106b1880b3771a0d71af912103ce927962021

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9cc64537c3a9fcbce99bb2bf4d3087369799b18b0812650bc61c09953606c9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-31T14:54:26Z",
    "title_canon_sha256": "7fd7144f0fcc12e0cd726703b105ff89e78e377962bfc1645f34ced21ff1e1ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.7273",
    "kind": "arxiv",
    "version": 2
  }
}