Pith Number

pith:QP5L2ZZM

pith:2018:QP5L2ZZMDA2VJXWPKVUAXRLCCV

not attested not anchored not stored refs pending

Fermi-LAT Observation of Non-Blazar AGNs

D. Zargaryan, N. Sahakyan, V. Baghmanyan

arxiv:1801.09381 v1 · 2018-01-29 · 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{QP5L2ZZMDA2VJXWPKVUAXRLCCV}

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	2026-05-18T00:14:08.776538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83fabd672c183554decf55680bc5621571fe75267294ad3c3270f75fe65c5046

Aliases

arxiv: 1801.09381 · arxiv_version: 1801.09381v1 · doi: 10.48550/arxiv.1801.09381 · pith_short_12: QP5L2ZZMDA2V · pith_short_16: QP5L2ZZMDA2VJXWP · pith_short_8: QP5L2ZZM

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/QP5L2ZZMDA2VJXWPKVUAXRLCCV \
  | 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: 83fabd672c183554decf55680bc5621571fe75267294ad3c3270f75fe65c5046

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e62b4cf211fda15079325c165e0398e76932e2e860fb2fc7861a92e4b0bcc92d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-01-29T07:34:54Z",
    "title_canon_sha256": "60aaa6294a5178e253309fb1e3c24541d0648903b562622ee6e27d89741a4aed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09381",
    "kind": "arxiv",
    "version": 1
  }
}