Pith Number

pith:UGBTI6L5

pith:1997:UGBTI6L57LWFVL7Z7M2ISQK6ZH

not attested not anchored not stored refs pending

Evolutionary tracks of FRII sources through the P-D diagram

Christian R. Kaiser, Jane Dennett-Thorpe, Paul Alexander

arxiv:astro-ph/9710104 v1 · 1997-10-10 · 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{UGBTI6L57LWFVL7Z7M2ISQK6ZH}

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	2026-05-18T01:40:16.654527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a18334797dfaec5aaff9fb3489415ec9c8eab51a2cb0c1935bb29d94d80e5b14

Aliases

arxiv: astro-ph/9710104 · arxiv_version: astro-ph/9710104v1 · doi: 10.48550/arxiv.astro-ph/9710104 · pith_short_12: UGBTI6L57LWF · pith_short_16: UGBTI6L57LWFVL7Z · pith_short_8: UGBTI6L5

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/UGBTI6L57LWFVL7Z7M2ISQK6ZH \
  | 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: a18334797dfaec5aaff9fb3489415ec9c8eab51a2cb0c1935bb29d94d80e5b14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5ff29cd0cd26550a8a4e999e5cf8fadcea451de07159516ace4f3483d5f521a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-10-10T09:05:58Z",
    "title_canon_sha256": "bf3f579043cabbe2b0ccfe0687d318d904134c2342b232bc823ca8020a4d2d21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9710104",
    "kind": "arxiv",
    "version": 1
  }
}