Pith Number

pith:4CIUPHGE

pith:2011:4CIUPHGEA7APISMQCUZMO4UCDX

not attested not anchored not stored refs pending

MAGIC Telescopes observation of the BL Lac objects 1ES 1215+303 and 1ES 1218+304

Antonio Stamerra (for the MAGIC Collaboration), Elina Lindfors, Josefa Becerra Gonzalez, Julian Sitarek, Pierre Colin, Saverio Lombardi

arxiv:1110.6786 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{4CIUPHGEA7APISMQCUZMO4UCDX}

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	2026-07-04T23:53:38.461884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e091479cc407c0f449901532c772821dff89b8efc7b07c3174c99ec92e73f742

Aliases

arxiv: 1110.6786 · arxiv_version: 1110.6786v1 · doi: 10.48550/arxiv.1110.6786 · pith_short_12: 4CIUPHGEA7AP · pith_short_16: 4CIUPHGEA7APISMQ · pith_short_8: 4CIUPHGE

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/4CIUPHGEA7APISMQCUZMO4UCDX \
  | 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: e091479cc407c0f449901532c772821dff89b8efc7b07c3174c99ec92e73f742

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6301978af675badc23792678ab6f24a2b07a0d7a212b4a57ec1dc1d0d0e4e98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-10-31T13:33:29Z",
    "title_canon_sha256": "9d2845506743d287bd849ff86d8bf488069598bd75f693800fdbd46adb43fcf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.6786",
    "kind": "arxiv",
    "version": 1
  }
}