Pith Number

pith:PQ54HHEC

pith:2014:PQ54HHEC6EXWPRKKMLA5SMOB7X

not attested not anchored not stored refs pending

The Revised IRAS-FSC Redshift Catalogue (RIFSCz)

Jiaxin Han, Lingyu Wang, Michael Rowan-Robinson, Peder Norberg, Sebastien Heinis

arxiv:1402.4991 v2 · 2014-02-20 · 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{PQ54HHEC6EXWPRKKMLA5SMOB7X}

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	2026-05-18T01:44:35.802668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c3bc39c82f12f67c54a62c1d931c1fdce3f2e4aea21a1832287bbf84c31a46c

Aliases

arxiv: 1402.4991 · arxiv_version: 1402.4991v2 · doi: 10.48550/arxiv.1402.4991 · pith_short_12: PQ54HHEC6EXW · pith_short_16: PQ54HHEC6EXWPRKK · pith_short_8: PQ54HHEC

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/PQ54HHEC6EXWPRKKMLA5SMOB7X \
  | 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: 7c3bc39c82f12f67c54a62c1d931c1fdce3f2e4aea21a1832287bbf84c31a46c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adb7248aae63f15941d5a5958895bb8322d242f0fb68c24cfc4446130e4f5a66",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-02-20T13:09:49Z",
    "title_canon_sha256": "5aaed24081e8e052f8b3e9b48375804d289624efc16b5c1949e5a1e2922c7e6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4991",
    "kind": "arxiv",
    "version": 2
  }
}