Pith Number

pith:C42TPRDI

pith:2009:C42TPRDIP4TITEYFFECZSWMHVL

not attested not anchored not stored refs pending

Polarimetry and the High-Energy Emission Mechanisms in Quasar Jets

A. Martel, C. C. Cheung, C. M. Urry, C. P. O'Dea, D. Axon, D. M. Worrall, E. S. Perlman, L. Stawarz, M. Begelman, M. Birkinshaw, M. Cara, M. Georganopoulos, P. Coppi, R. M. Sambruna, S. A. Baum, S. Jester, W. B. Sparks, Y. Uchiyama

arxiv:0909.0297 v1 · 2009-09-01 · astro-ph.HE · astro-ph.CO

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

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	2026-05-18T02:12:00.989775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

173537c4687f268993052905995987aad3f51de2209e31c95fceda1964c500fb

Aliases

arxiv: 0909.0297 · arxiv_version: 0909.0297v1 · doi: 10.48550/arxiv.0909.0297 · pith_short_12: C42TPRDIP4TI · pith_short_16: C42TPRDIP4TITEYF · pith_short_8: C42TPRDI

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/C42TPRDIP4TITEYFFECZSWMHVL \
  | 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: 173537c4687f268993052905995987aad3f51de2209e31c95fceda1964c500fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79ec8a7db6f20845382ed0e809489f205a67a965ef27ed2a84a94d2f3776eedc",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-09-01T23:59:56Z",
    "title_canon_sha256": "311f7a18e6d97f8850e8beee2851b9fddeef77c0edab6ad8ea8373e4a7e3dc30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0297",
    "kind": "arxiv",
    "version": 1
  }
}