Pith Number

pith:2SCXKVP2

pith:2012:2SCXKVP2UK7WG2VU4PK7W3TCGB

not attested not anchored not stored refs pending

Fifty Years in Fifteen Minutes: The Impact of the Parkes Observatory

Philip Edwards

arxiv:1210.2138 v1 · 2012-10-08 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2SCXKVP2UK7WG2VU4PK7W3TCGB}

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	2026-05-18T03:43:51.006803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4857555faa2bf636ab4e3d5fb6e62307372da6c5be9f518f86d7e9b8d946b49

Aliases

arxiv: 1210.2138 · arxiv_version: 1210.2138v1 · doi: 10.48550/arxiv.1210.2138 · pith_short_12: 2SCXKVP2UK7W · pith_short_16: 2SCXKVP2UK7WG2VU · pith_short_8: 2SCXKVP2

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/2SCXKVP2UK7WG2VU4PK7W3TCGB \
  | 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: d4857555faa2bf636ab4e3d5fb6e62307372da6c5be9f518f86d7e9b8d946b49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "294ec834ff9b441cda8d873b0254bb2948ce8881088d549263816eb79784e495",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-10-08T03:35:39Z",
    "title_canon_sha256": "cd5eaa05d3948a0255d0eb3162bc479c4ad02db6b31db412ce3298cd47419d2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2138",
    "kind": "arxiv",
    "version": 1
  }
}