Pith Number

pith:QL4BK6IK

pith:1998:QL4BK6IKPTF6C6NMNKVB2HRPTV

not attested not anchored not stored refs pending

Performance of the Electromagnetic Calorimeter of the HERMES Experiment

et al, H. Avakian

arxiv:hep-ex/9810004 v1 · 1998-10-01 · 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{QL4BK6IKPTF6C6NMNKVB2HRPTV}

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	2026-05-18T01:39:15.333168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82f815790a7ccbe179ac6aaa1d1e2f9d43d894a29faed77cc3b82d1b3f3955e6

Aliases

arxiv: hep-ex/9810004 · arxiv_version: hep-ex/9810004v1 · doi: 10.48550/arxiv.hep-ex/9810004 · pith_short_12: QL4BK6IKPTF6 · pith_short_16: QL4BK6IKPTF6C6NM · pith_short_8: QL4BK6IK

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/QL4BK6IKPTF6C6NMNKVB2HRPTV \
  | 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: 82f815790a7ccbe179ac6aaa1d1e2f9d43d894a29faed77cc3b82d1b3f3955e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c10d37b8c9cd299596af27d24356d68ab83e7529427c1ad6cc2d629b71c3190",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ex",
    "submitted_at": "1998-10-01T13:41:01Z",
    "title_canon_sha256": "21057cbd40e3ebf99458a40357a50f835f8e212e43a19cbe6f27600af69f25d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ex/9810004",
    "kind": "arxiv",
    "version": 1
  }
}