Pith Number

pith:F3LIAXYN

pith:2001:F3LIAXYNEHWCK4XXE3MSE4ISAW

not attested not anchored not stored refs pending

Compact Symmetric Objects as Radio Flux Density Calibrators

C. D. Fassnacht (NRAO), G. B. Taylor (NRAO)

arxiv:astro-ph/0106001 v1 · 2001-05-31 · 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{F3LIAXYNEHWCK4XXE3MSE4ISAW}

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	2026-07-04T16:23:28.660896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ed6805f0d21ec2572f726d92271120589c6c8c210cd1d5bccd876aba52e1416

Aliases

arxiv: astro-ph/0106001 · arxiv_version: astro-ph/0106001v1 · doi: 10.48550/arxiv.astro-ph/0106001 · pith_short_12: F3LIAXYNEHWC · pith_short_16: F3LIAXYNEHWCK4XX · pith_short_8: F3LIAXYN

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/F3LIAXYNEHWCK4XXE3MSE4ISAW \
  | 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: 2ed6805f0d21ec2572f726d92271120589c6c8c210cd1d5bccd876aba52e1416

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61dbac3f9a2111c35683ee72690d4e29b6a0f9eb047bda7cc6c39b10f45ab61b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-05-31T23:00:30Z",
    "title_canon_sha256": "47eacf1b7b036c20cd87613c5859c67b7db7a717f64546ca26fc4d925461a3d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0106001",
    "kind": "arxiv",
    "version": 1
  }
}