Pith Number

pith:4FGXUIT7

pith:2011:4FGXUIT74VW2P2JXO53TBW3LET

not attested not anchored not stored refs pending

Probing Helical Magnetic Fields in AGN by Rotation Measure Gradients Studies

J. C. Algaba

arxiv:1111.3416 v1 · 2011-11-15 · 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{4FGXUIT74VW2P2JXO53TBW3LET}

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	2026-05-18T01:59:33.376408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e14d7a227fe56da7e937777730db6b24fef77c05af890761fa04dd776d90f3c4

Aliases

arxiv: 1111.3416 · arxiv_version: 1111.3416v1 · doi: 10.48550/arxiv.1111.3416 · pith_short_12: 4FGXUIT74VW2 · pith_short_16: 4FGXUIT74VW2P2JX · pith_short_8: 4FGXUIT7

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/4FGXUIT74VW2P2JXO53TBW3LET \
  | 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: e14d7a227fe56da7e937777730db6b24fef77c05af890761fa04dd776d90f3c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ac3a2d9b12e54c09affa551ef432bfbe858175c87d51ed0e5623d4aaae1c489",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-15T02:51:21Z",
    "title_canon_sha256": "99e26f718fa314de91c34eb319f10739882aa38af5cfe0f580d2d7d16ad9fd89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3416",
    "kind": "arxiv",
    "version": 1
  }
}