Pith Number

pith:IZIYIGRF

pith:1996:IZIYIGRFVZPV5IG6KOUBIJYC33

not attested not anchored not stored refs pending

Soft X-ray properties of a complete sample of radio sources

C.N.Tadhunter, I.J.Danziger, J.Siebert, R.A.E.Fosbury, R.Morganti, S.di Serego Alighieri, W.Brinkmann

arxiv:astro-ph/9601162 v1 · 1996-01-29 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IZIYIGRFVZPV5IG6KOUBIJYC33}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:40:21.899653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4651841a25ae5f5ea0de53a8142702ded9212462fa0c33f055778146bfcdaeaf

Aliases

arxiv: astro-ph/9601162 · arxiv_version: astro-ph/9601162v1 · doi: 10.48550/arxiv.astro-ph/9601162 · pith_short_12: IZIYIGRFVZPV · pith_short_16: IZIYIGRFVZPV5IG6 · pith_short_8: IZIYIGRF

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/IZIYIGRFVZPV5IG6KOUBIJYC33 \
  | 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: 4651841a25ae5f5ea0de53a8142702ded9212462fa0c33f055778146bfcdaeaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2151ebd40be2eb193743aee816268b07ccda6bee0cdbdc385d805259e28ebbf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-01-29T13:09:34Z",
    "title_canon_sha256": "7f363e054c7a9049075eb9dc8f7efd523505a741a17b858b57c9cb46951d8beb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9601162",
    "kind": "arxiv",
    "version": 1
  }
}