Pith Number

pith:7RYGD64Z

pith:2005:7RYGD64ZYFSWTGHKBCSIM7D2VJ

not attested not anchored not stored refs pending

Heavy atom tunneling in chemical reactions: study of H + LiF collisions

N. Balakrishnan, P. F. Weck

arxiv:physics/0502145 v1 · 2005-02-26 · physics.chem-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{7RYGD64ZYFSWTGHKBCSIM7D2VJ}

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	2026-07-04T16:57:04.738580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc7061fb99c1656998ea08a4867c7aaa541aaa58242d6d1a0614f6abefee43eb

Aliases

arxiv: physics/0502145 · arxiv_version: physics/0502145v1 · doi: 10.48550/arxiv.physics/0502145 · pith_short_12: 7RYGD64ZYFSW · pith_short_16: 7RYGD64ZYFSWTGHK · pith_short_8: 7RYGD64Z

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/7RYGD64ZYFSWTGHKBCSIM7D2VJ \
  | 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: fc7061fb99c1656998ea08a4867c7aaa541aaa58242d6d1a0614f6abefee43eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "597d0fbab5fbb09e7c41e08c8c642eb353b16c53e3caa34688e32c199688f38c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2005-02-26T00:30:32Z",
    "title_canon_sha256": "6294adf5cdc6713e6f252546325e20adaca8056adef981830750d465f5ed91b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0502145",
    "kind": "arxiv",
    "version": 1
  }
}