Pith Number

pith:T3BNJL3W

pith:2002:T3BNJL3WZXAP37BMR6UX7ABTSP

not attested not anchored not stored refs pending

Optical spectroscopy of radio galaxies in the 7C Redshift Survey

Chris J. Willott, Gary J. Hill, Katherine M. Blundell, Mark Lacy, Steve Rawlings, Susan E. Scott

arxiv:astro-ph/0205507 v1 · 2002-05-29 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T3BNJL3WZXAP37BMR6UX7ABTSP}

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	2026-07-04T16:30:06.580773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ec2d4af76cdc0fdfc2c8fa97f803393d4bbddb452b30773f13260c852ead995

Aliases

arxiv: astro-ph/0205507 · arxiv_version: astro-ph/0205507v1 · doi: 10.48550/arxiv.astro-ph/0205507 · pith_short_12: T3BNJL3WZXAP · pith_short_16: T3BNJL3WZXAP37BM · pith_short_8: T3BNJL3W

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/T3BNJL3WZXAP37BMR6UX7ABTSP \
  | 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: 9ec2d4af76cdc0fdfc2c8fa97f803393d4bbddb452b30773f13260c852ead995

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a9788ccab1429dea9cde6e812a98c45cfb0ab5a75dc069a1428218669dacf97",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-05-29T16:02:04Z",
    "title_canon_sha256": "51bd478c8f0ccdc29ec8afca96f39e5b90aacedbb86bbd44efbd0fbdffd85626"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0205507",
    "kind": "arxiv",
    "version": 1
  }
}