Pith Number

pith:7H7PCMGP

pith:2001:7H7PCMGPBC5RPCI2URVMYIFSV5

not attested not anchored not stored refs pending

A sample of 6C radio sources designed to find objects at redshift > 4: II --- spectrophotometry and emission line properties

Andrew J.Bunker, Chris J.Willott, Daniel Stern, Hyron Spinrad, Katherine M.Blundell, Mark Lacy, Matt J.Jarvis, Richard Saunders, Steve Eales, Steve Rawlings

arxiv:astro-ph/0106127 v1 · 2001-06-07 · 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{7H7PCMGPBC5RPCI2URVMYIFSV5}

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	2026-05-18T01:22:59.007695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9fef130cf08bb17891aa46acc20b2af7b2fe043de1dcf277babf6183f66ec84

Aliases

arxiv: astro-ph/0106127 · arxiv_version: astro-ph/0106127v1 · doi: 10.48550/arxiv.astro-ph/0106127 · pith_short_12: 7H7PCMGPBC5R · pith_short_16: 7H7PCMGPBC5RPCI2 · pith_short_8: 7H7PCMGP

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/7H7PCMGPBC5RPCI2URVMYIFSV5 \
  | 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: f9fef130cf08bb17891aa46acc20b2af7b2fe043de1dcf277babf6183f66ec84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d4ec5c2cd0ddfc19b807437d1c30da64c594ef938ca97c48bf24df99aaea2f6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-06-07T12:17:34Z",
    "title_canon_sha256": "4b63c71d145d9b0f4035cb12cd4705528e4ba809be2d9dad8cafa981eeaff7ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0106127",
    "kind": "arxiv",
    "version": 1
  }
}