Pith Number

pith:7WU3KAEG

pith:2012:7WU3KAEG6WSK4SBTWI7VO3WQ6V

not attested not anchored not stored refs pending

Spectral Bandwidth Reduction of Thomson Scattered Light by Pulse Chirping

Bradley Shadwick, Donald Umstadter, Isaac Ghbregziabher

arxiv:1204.1068 v1 · 2012-04-04 · physics.optics · 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{7WU3KAEG6WSK4SBTWI7VO3WQ6V}

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	2026-05-18T03:29:51.180561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fda9b50086f5a4ae4833b23f576ed0f54e1d666bf60b5d08d0376e8795d99e70

Aliases

arxiv: 1204.1068 · arxiv_version: 1204.1068v1 · doi: 10.48550/arxiv.1204.1068 · pith_short_12: 7WU3KAEG6WSK · pith_short_16: 7WU3KAEG6WSK4SBT · pith_short_8: 7WU3KAEG

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/7WU3KAEG6WSK4SBTWI7VO3WQ6V \
  | 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: fda9b50086f5a4ae4833b23f576ed0f54e1d666bf60b5d08d0376e8795d99e70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "752bd26e43a6f009d7fc044da688496cff878c302a6b553cb57ed8b4f7a10fe5",
    "cross_cats_sorted": [
      "physics.acc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-04-04T20:30:09Z",
    "title_canon_sha256": "24003e4425b87964417aa32c475cd803ae53f9dca91249f9aa146fed2d1a4ff8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1068",
    "kind": "arxiv",
    "version": 1
  }
}