Pith Number

pith:XNRRO6JY

pith:2011:XNRRO6JYKAZACIDZMBQ52I7323

not attested not anchored not stored refs pending

Variable and Transient Radio Sources in the FIRST Survey

(2) Space Telescope Science Institute, (3) Department of Physics, 4) ((1) Department of Astronomy, (4) IGPP/Lawrence Livermore National Laboratory, Baltimore, Columbia University, David J. Helfand (1), Davis, Livermore, New York, Nithyanandan Thyagarajan (1), Richard L. White (2), Robert H. Becker (3, University of California, USA, USA)

arxiv:1107.5901 v7 · 2011-07-29 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XNRRO6JYKAZACIDZMBQ52I7323}

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	2026-05-18T02:01:05.921433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb6317793850320120796061dd23fbd6fa569e00c00e6edbe630dd0c89517322

Aliases

arxiv: 1107.5901 · arxiv_version: 1107.5901v7 · doi: 10.48550/arxiv.1107.5901 · pith_short_12: XNRRO6JYKAZA · pith_short_16: XNRRO6JYKAZACIDZ · pith_short_8: XNRRO6JY

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/XNRRO6JYKAZACIDZMBQ52I7323 \
  | 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: bb6317793850320120796061dd23fbd6fa569e00c00e6edbe630dd0c89517322

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dc0dfc37bb081b3442512620ef4962b75d5a51e0ea9b1ba0ed9e996e1ac47c8",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-29T08:58:36Z",
    "title_canon_sha256": "812a4f26d17728e17647f213b4db19e30f5bbb2f2aa8330e0ba0c0146b9b9844"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5901",
    "kind": "arxiv",
    "version": 7
  }
}