Pith Number

pith:OT2QEIW6

pith:1998:OT2QEIW6SCR3W2MLRDCR4MPVWC

not attested not anchored not stored refs pending

Measurements of the reaction $\bar{p}p \to \phi \eta$ of antiproton annihilation at rest at three hydrogen target densities

A. Bertin, OBELIX Collaboration: V. Alberico

arxiv:hep-ex/9806017 v1 · 1998-06-17 · 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{OT2QEIW6SCR3W2MLRDCR4MPVWC}

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	2026-05-18T01:39:15.348783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74f50222de90a3bb698b88c51e31f5b09b48df652448521ef22cd25efcbd2af2

Aliases

arxiv: hep-ex/9806017 · arxiv_version: hep-ex/9806017v1 · doi: 10.48550/arxiv.hep-ex/9806017 · pith_short_12: OT2QEIW6SCR3 · pith_short_16: OT2QEIW6SCR3W2ML · pith_short_8: OT2QEIW6

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/OT2QEIW6SCR3W2MLRDCR4MPVWC \
  | 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: 74f50222de90a3bb698b88c51e31f5b09b48df652448521ef22cd25efcbd2af2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6afe8dc574799267789045c2a45e517715966c8ea95c8885fde93615b39e71c2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ex",
    "submitted_at": "1998-06-17T08:58:44Z",
    "title_canon_sha256": "f5a23eb743dd3d8aa53bf8410a23e013fa31d6e0c9b6ffb7e2199da367cf6cce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ex/9806017",
    "kind": "arxiv",
    "version": 1
  }
}