Pith Number

pith:VSJ3CBSF

pith:2012:VSJ3CBSFMP2LVOREH6XRGQWD2Q

not attested not anchored not stored refs pending

Parsec-Scale Radio Properties of Gamma-Ray Emitting Blazars

A.C.S. Readhead, G.B. Taylor, J.D. Linford, J.F. Helmboldt, J.L. Richards, R. Reeves, R.W. Romani

arxiv:1205.0560 v1 · 2012-05-02 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VSJ3CBSFMP2LVOREH6XRGQWD2Q}

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	2026-05-18T03:56:33.644373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac93b1064563f4baba243faf1342c3d410488753f3829cd6efb5efc518df040e

Aliases

arxiv: 1205.0560 · arxiv_version: 1205.0560v1 · doi: 10.48550/arxiv.1205.0560 · pith_short_12: VSJ3CBSFMP2L · pith_short_16: VSJ3CBSFMP2LVORE · pith_short_8: VSJ3CBSF

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/VSJ3CBSFMP2LVOREH6XRGQWD2Q \
  | 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: ac93b1064563f4baba243faf1342c3d410488753f3829cd6efb5efc518df040e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "567c20a9f54295cb17aea7ec05fcb8b62ba2c2098c68d80dc80d6267bed47ffb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-05-02T20:13:52Z",
    "title_canon_sha256": "faafd88518274d287e73a7c10be5becea6bd9d2d5ef14765276a05e00f90b209"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0560",
    "kind": "arxiv",
    "version": 1
  }
}