Pith Number

pith:3PRWW6PY

pith:2013:3PRWW6PYPEDRLYA3B42AOP5LKB

not attested not anchored not stored refs pending

Constraints on the Intergalactic Magnetic Field from Gamma-Ray Observations of Blazars

Justin Finke, Luis Reyes, Markos Georganopoulos

arxiv:1303.5093 v2 · 2013-03-20 · astro-ph.HE · 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{3PRWW6PYPEDRLYA3B42AOP5LKB}

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	2026-05-18T03:30:01.841170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbe36b79f8790715e01b0f34073fab50425370e38961eef8d49be64ff6dbd344

Aliases

arxiv: 1303.5093 · arxiv_version: 1303.5093v2 · doi: 10.48550/arxiv.1303.5093 · pith_short_12: 3PRWW6PYPEDR · pith_short_16: 3PRWW6PYPEDRLYA3 · pith_short_8: 3PRWW6PY

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/3PRWW6PYPEDRLYA3B42AOP5LKB \
  | 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: dbe36b79f8790715e01b0f34073fab50425370e38961eef8d49be64ff6dbd344

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1991b3e07f921cb4eb1514a08d7f70c16c559aaf0d0da727dd72bfb537c23e69",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-03-20T20:21:42Z",
    "title_canon_sha256": "b20151e4d10fdeb55f2c90929b3101e5d6fb6fc5d5656b78258f02016451b417"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5093",
    "kind": "arxiv",
    "version": 2
  }
}