Pith Number

pith:E37OEIO3

pith:2004:E37OEIO3QCVEJECECEHBNIGOTF

not attested not anchored not stored refs pending

Atomic Hydrogen Cleaning of Polarized GaAs Photocathodes

A. Brachmann, C. Y. Prescott, D.-A. Luh, E. L. Garwin, J. E. Clendenin, R. E. Kirby, R. Prepost, S. Harvey, T. Maruyama

arxiv:physics/0412098 v1 · 2004-12-16 · 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{E37OEIO3QCVEJECECEHBNIGOTF}

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	2026-05-18T00:37:06.747289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26fee221db80aa449044110e16a0ce996fda2ced689f1495540f66bcf3590f77

Aliases

arxiv: physics/0412098 · arxiv_version: physics/0412098v1 · doi: 10.48550/arxiv.physics/0412098 · pith_short_12: E37OEIO3QCVE · pith_short_16: E37OEIO3QCVEJECE · pith_short_8: E37OEIO3

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/E37OEIO3QCVEJECECEHBNIGOTF \
  | 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: 26fee221db80aa449044110e16a0ce996fda2ced689f1495540f66bcf3590f77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9419f00550e50f04ef8f9d61132d31f00bc8db9347d4144f47a91b1aa5b80670",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2004-12-16T19:43:39Z",
    "title_canon_sha256": "1f3ac95a8219d1141f2457a62ed68c4d3b9245e838dab3ab6b25ab787f2a87a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0412098",
    "kind": "arxiv",
    "version": 1
  }
}