Pith Number

pith:WKBPWSFB

pith:1996:WKBPWSFBGLFM26OUUBQ4O5HC7R

not attested not anchored not stored refs pending

Formation of antihydrogen atoms in an ultra-cold positron-antiproton plasma

P. O. Fedichev

arxiv:physics/9611005 v1 · 1996-11-06 · physics.atom-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKBPWSFBGLFM26OUUBQ4O5HC7R}

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	2026-05-18T01:05:17.345232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b282fb48a132cacd79d4a061c774e2fc6de9ee121c3a057f113afdbe27c39e65

Aliases

arxiv: physics/9611005 · arxiv_version: physics/9611005v1 · doi: 10.48550/arxiv.physics/9611005 · pith_short_12: WKBPWSFBGLFM · pith_short_16: WKBPWSFBGLFM26OU · pith_short_8: WKBPWSFB

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/WKBPWSFBGLFM26OUUBQ4O5HC7R \
  | 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: b282fb48a132cacd79d4a061c774e2fc6de9ee121c3a057f113afdbe27c39e65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65576f7b4189c12da31b15b1685cb2358694c37ac7a211e870e7d9334dd42b47",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "1996-11-06T13:18:32Z",
    "title_canon_sha256": "9e5d60ae56766dc8586c2c463760c96a8bdec21d416e6d9e59e5b7a096a06c93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/9611005",
    "kind": "arxiv",
    "version": 1
  }
}