Pith Number

pith:VFQPTGLO

pith:1999:VFQPTGLOCCYKANXXIC62XK72XM

not attested not anchored not stored refs pending

Radiative Polarization, Computer Algorithms and Spin Matching in Electron Storage Rings

DESY, D.P. Barber, Germany), G. Ripken (Deutsches Elektronen-Synchrotron, Hamburg

arxiv:physics/9907034 v2 · 1999-07-21 · physics.acc-ph · 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{VFQPTGLOCCYKANXXIC62XK72XM}

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	2026-05-18T00:31:07.314465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a960f9996e10b0a036f740bdababfabb3fecbb4fd251f4fda0656ad0344ee951

Aliases

arxiv: physics/9907034 · arxiv_version: physics/9907034v2 · doi: 10.48550/arxiv.physics/9907034 · pith_short_12: VFQPTGLOCCYK · pith_short_16: VFQPTGLOCCYKANXX · pith_short_8: VFQPTGLO

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/VFQPTGLOCCYKANXXIC62XK72XM \
  | 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: a960f9996e10b0a036f740bdababfabb3fecbb4fd251f4fda0656ad0344ee951

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c27daeedfa350947cd1ab0b5d6737b59ccda8728c8e7638676390adf5cc39b8",
    "cross_cats_sorted": [
      "physics.class-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "1999-07-21T13:43:26Z",
    "title_canon_sha256": "19a5d0b229a0e1e211017b4dacde70d22799ef525884dfaf4394cff0e1cd9c32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/9907034",
    "kind": "arxiv",
    "version": 2
  }
}