Pith Number

pith:APKOKFKQ

pith:2011:APKOKFKQDXYBOCOKALDOL6LNJG

not attested not anchored not stored refs pending

The MAGIC view of PG 1553+113

E. Prandini, F. Tavecchio (for the MAGIC Collaboration), S. Buson, S. Larsson (for the Fermi/LAT Collaboration)

arxiv:1110.6780 v1 · 2011-10-31 · 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{APKOKFKQDXYBOCOKALDOL6LNJG}

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	2026-07-04T23:56:16.081301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03d4e515501df01709ca02c6e5f96d498dea39b3b8d0649b5d465620e1c82ca7

Aliases

arxiv: 1110.6780 · arxiv_version: 1110.6780v1 · doi: 10.48550/arxiv.1110.6780 · pith_short_12: APKOKFKQDXYB · pith_short_16: APKOKFKQDXYBOCOK · pith_short_8: APKOKFKQ

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/APKOKFKQDXYBOCOKALDOL6LNJG \
  | 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: 03d4e515501df01709ca02c6e5f96d498dea39b3b8d0649b5d465620e1c82ca7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc3b946be0e75f48affd822c91fedee9f9d74ee24ba045ddd34a6be8002f7fdd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-10-31T13:08:41Z",
    "title_canon_sha256": "10439518ae4f62db2c14705a80a1d4c0c1216cf847d220ff5dbe128b45e2b3c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.6780",
    "kind": "arxiv",
    "version": 1
  }
}