Pith Number

pith:2BBUJQWQ

pith:1999:2BBUJQWQXALKJNA52VIEQOF6MB

not attested not anchored not stored refs pending

Spin transport, spin diffusion and Bloch equations in electron storage rings

DESY, D.P. Barber (Deutsches Elektronen-Synchrotron, Germany), Hamburg, K. Heinemann

arxiv:physics/9901045 v2 · 1999-01-23 · physics.acc-ph · cond-mat · physics.class-ph · quant-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{2BBUJQWQXALKJNA52VIEQOF6MB}

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	2026-05-18T04:23:54.664720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d04344c2d0b816a4b41dd5504838be60522626029fe660a6801f7cc87d303d88

Aliases

arxiv: physics/9901045 · arxiv_version: physics/9901045v2 · doi: 10.48550/arxiv.physics/9901045 · pith_short_12: 2BBUJQWQXALK · pith_short_16: 2BBUJQWQXALKJNA5 · pith_short_8: 2BBUJQWQ

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/2BBUJQWQXALKJNA52VIEQOF6MB \
  | 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: d04344c2d0b816a4b41dd5504838be60522626029fe660a6801f7cc87d303d88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b8f4cfa8a56dc202441cab63b233a5cf39c5782f3e30acc2b111c591b241da7",
    "cross_cats_sorted": [
      "cond-mat",
      "physics.class-ph",
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "1999-01-23T19:26:26Z",
    "title_canon_sha256": "51961748d3a5b28fe2086de2fb9fded56a53a8b67d44f72b12a99354f1b61c65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/9901045",
    "kind": "arxiv",
    "version": 2
  }
}