Pith Number

pith:M3EQE24U

pith:2004:M3EQE24UA7JJD6KMHCMX4TVIPY

not attested not anchored not stored refs pending

Positronium-Atom Collisions

A C H Yu, H R J Walters, Sharon Gilmore, S Sahoo

arxiv:physics/0401125 v1 · 2004-01-25 · 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{M3EQE24UA7JJD6KMHCMX4TVIPY}

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	2026-05-18T01:38:08.559039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66c9026b9407d291f94c38997e4ea87e02680f6daea67a69793fdd931d09f9e4

Aliases

arxiv: physics/0401125 · arxiv_version: physics/0401125v1 · doi: 10.48550/arxiv.physics/0401125 · pith_short_12: M3EQE24UA7JJ · pith_short_16: M3EQE24UA7JJD6KM · pith_short_8: M3EQE24U

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/M3EQE24UA7JJD6KMHCMX4TVIPY \
  | 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: 66c9026b9407d291f94c38997e4ea87e02680f6daea67a69793fdd931d09f9e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6c750b5e79d2092d2720e6069804cc5739d79207ca01e284dcce240b08a7ae0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2004-01-25T13:38:28Z",
    "title_canon_sha256": "ce0089cf6c67f1198efa195d9aca1832a6f0a309a3d09b044adf3f3d7db7ec7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0401125",
    "kind": "arxiv",
    "version": 1
  }
}