Pith Number

pith:PBK225MU

pith:2009:PBK225MUFBNMARDOGG4U4GKE5J

not attested not anchored not stored refs pending

Monitoring the Bi-Directional Relativistic Jets of the Radio Galaxy 1946+708

G.B. Taylor, N. Pradel, P. Charlot, R.C. Vermeulen

arxiv:0904.1879 v1 · 2009-04-12 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PBK225MUFBNMARDOGG4U4GKE5J}

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	2026-05-18T04:29:43.583660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7855ad7594285ac0446e31b94e1944ea68f18553194919d374d92127fdd11c94

Aliases

arxiv: 0904.1879 · arxiv_version: 0904.1879v1 · doi: 10.48550/arxiv.0904.1879 · pith_short_12: PBK225MUFBNM · pith_short_16: PBK225MUFBNMARDO · pith_short_8: PBK225MU

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/PBK225MUFBNMARDOGG4U4GKE5J \
  | 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: 7855ad7594285ac0446e31b94e1944ea68f18553194919d374d92127fdd11c94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e4f5139814f19c318dddf5cd72ce2aef5e78d8146acae7c8d324193ab8848f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-12T17:43:26Z",
    "title_canon_sha256": "f844d7a7e468106db56558590c93eea814e5ddb1f091514d45cbc463fd11c102"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1879",
    "kind": "arxiv",
    "version": 1
  }
}