Pith Number

pith:QPIRVR3S

pith:2009:QPIRVR3SLQWWUJLRSCL2TFZFKC

not attested not anchored not stored refs pending

Rapid Cycling Synchrotron Option for Project X

Weiren Chou

arxiv:0912.2460 v1 · 2009-12-14 · physics.acc-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{QPIRVR3SLQWWUJLRSCL2TFZFKC}

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	2026-05-18T00:37:05.791795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83d11ac7725c2d6a25719097a9972550b3d3cacbe260a563d0168d8c6593dd1d

Aliases

arxiv: 0912.2460 · arxiv_version: 0912.2460v1 · doi: 10.48550/arxiv.0912.2460 · pith_short_12: QPIRVR3SLQWW · pith_short_16: QPIRVR3SLQWWUJLR · pith_short_8: QPIRVR3S

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/QPIRVR3SLQWWUJLRSCL2TFZFKC \
  | 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: 83d11ac7725c2d6a25719097a9972550b3d3cacbe260a563d0168d8c6593dd1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b450898149411c90f1d4f404dbb2c4b7687c1b10badb61fb2163c77b37b74577",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2009-12-14T20:53:56Z",
    "title_canon_sha256": "9bec732050193989722a84aa671adfdd2328385793f492c300b032b8522eba21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2460",
    "kind": "arxiv",
    "version": 1
  }
}