Pith Number

pith:GT32R55G

pith:2011:GT32R55GLIYDGBHMZ4KAACRSI5

not attested not anchored not stored refs pending

Very high-energy observations of the two high-frequency peaked BL Lac objects 1ES 1218+304 and H 1426+428

A. Jarvis, C.E. Covault, C. Mueller, D.A. Bramel, D.A. Williams, D. Driscoll, D.M. Gingrich, D.S. Hanna, J. Ball, J. Carson, J. Kildea, J. Zweerink (The STACEE Collaboration), K. Ragan, N. Akhter, P. Fortin, R.A. Ong, R.A. Scalzo, R. Mukherjee, T. Lindner

arxiv:1104.2770 v1 · 2011-04-14 · astro-ph.HE · hep-ex

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GT32R55GLIYDGBHMZ4KAACRSI5}

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	2026-05-18T04:16:43.390306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34f7a8f7a65a303304eccf14000a3247728ff4b9899f47fce87ae8d9a5c2a3e0

Aliases

arxiv: 1104.2770 · arxiv_version: 1104.2770v1 · doi: 10.48550/arxiv.1104.2770 · pith_short_12: GT32R55GLIYD · pith_short_16: GT32R55GLIYDGBHM · pith_short_8: GT32R55G

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/GT32R55GLIYDGBHMZ4KAACRSI5 \
  | 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: 34f7a8f7a65a303304eccf14000a3247728ff4b9899f47fce87ae8d9a5c2a3e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6f9031f5e8734911c52acd15ae2fbb1f36bbf42777ea56fe382201c55443797",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-04-14T14:12:27Z",
    "title_canon_sha256": "abcddd3b553c40d232668fedba422d6328bfbba6723b4d560ad339e5de7bf80e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2770",
    "kind": "arxiv",
    "version": 1
  }
}