Pith Number

pith:U6COTCQQ

pith:2010:U6COTCQQJX2SW4WFAZQJFQ4CK3

not attested not anchored not stored refs pending

Contribution to the Extragalactic Gamma-ray Background from the Cascades of Very-high Energy Gamma Rays from Blazars

Tonia M. Venters

arxiv:1001.1363 v1 · 2010-01-08 · 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{U6COTCQQJX2SW4WFAZQJFQ4CK3}

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	2026-05-18T02:10:03.577100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a784e98a104df52b72c5066092c38256e1893323a88d0d4c67a6664d249e0e95

Aliases

arxiv: 1001.1363 · arxiv_version: 1001.1363v1 · doi: 10.48550/arxiv.1001.1363 · pith_short_12: U6COTCQQJX2S · pith_short_16: U6COTCQQJX2SW4WF · pith_short_8: U6COTCQQ

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/U6COTCQQJX2SW4WFAZQJFQ4CK3 \
  | 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: a784e98a104df52b72c5066092c38256e1893323a88d0d4c67a6664d249e0e95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "319152fc3192830fdb671de70bd93fc8ae542750f8746cb6f857f7c5d52947ed",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-01-08T21:18:31Z",
    "title_canon_sha256": "8b2f97772a81ed42eab725db26e7152e7ea2cbc7d2707255c9d7e933117dd8bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.1363",
    "kind": "arxiv",
    "version": 1
  }
}