Pith Number

pith:TEPBK23G

pith:2017:TEPBK23G6PNLDRFN33BULCJUBX

not attested not anchored not stored refs pending

HARPO: 1.7 - 74 MeV gamma-ray beam validation of a high angular resolutio n, high linear polarisation dilution, gas time projection chamber telescope and polarimeter

Denis Bernard

arxiv:1702.08429 v1 · 2017-02-27 · astro-ph.IM · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TEPBK23G6PNLDRFN33BULCJUBX}

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	2026-05-18T00:23:39.897800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

991e156b66f3dab1c4addec34589340dfb8ddd4fadce02158e8f8f34af29fbf5

Aliases

arxiv: 1702.08429 · arxiv_version: 1702.08429v1 · doi: 10.48550/arxiv.1702.08429 · pith_short_12: TEPBK23G6PNL · pith_short_16: TEPBK23G6PNLDRFN · pith_short_8: TEPBK23G

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/TEPBK23G6PNLDRFN33BULCJUBX \
  | 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: 991e156b66f3dab1c4addec34589340dfb8ddd4fadce02158e8f8f34af29fbf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f95df087d89df63fecc7fa138fee6741e5d8fa9a412872f53222db831383f38",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-02-27T18:44:40Z",
    "title_canon_sha256": "097d1791ea9d994e935e6a7957ab697d8899ea88fec1cb1d19b74568db74a4ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.08429",
    "kind": "arxiv",
    "version": 1
  }
}