Pith Number

pith:F7TDUTQL

pith:2000:F7TDUTQLQ43AFRHSXEAGV55QTQ

not attested not anchored not stored refs pending

Intrinsic Differences in the Inner Jets of High- and Low-Optically Polarized Radio Quasars

Matthew L. Lister, Paul S. Smith

arxiv:astro-ph/0003309 v1 · 2000-03-21 · 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{F7TDUTQLQ43AFRHSXEAGV55QTQ}

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	2026-07-04T16:16:12.639451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fe63a4e0b873602c4f2b9006af7b09c012486972e1443f669a47b0d43aa86df

Aliases

arxiv: astro-ph/0003309 · arxiv_version: astro-ph/0003309v1 · doi: 10.48550/arxiv.astro-ph/0003309 · pith_short_12: F7TDUTQLQ43A · pith_short_16: F7TDUTQLQ43AFRHS · pith_short_8: F7TDUTQL

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/F7TDUTQLQ43AFRHSXEAGV55QTQ \
  | 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: 2fe63a4e0b873602c4f2b9006af7b09c012486972e1443f669a47b0d43aa86df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4c8c8d969ad2ab5e034f58d34ba5b3e91659561a297a55e7c4fba80ecbc063e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-03-21T23:21:10Z",
    "title_canon_sha256": "c56ada2d022480c4bb0cb1d3ea520eb9e29bdaad6f746cffb3b35b267556816f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0003309",
    "kind": "arxiv",
    "version": 1
  }
}