Pith Number

pith:7R2YOSMP

pith:2014:7R2YOSMPQRBXOMUI5ST5YRQCQF

not attested not anchored not stored refs pending

Angular acceleration with twisted light

Andrew Forbes, Angela Dudley, Christian Schulze, Filippus S. Roux, Michael Duparre, Ronald Rop

arxiv:1405.6547 v1 · 2014-05-26 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7R2YOSMPQRBXOMUI5ST5YRQCQF}

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	2026-05-18T02:51:07.144773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc7587498f8443773288eca7dc4602815d2666de26f8d401fe403b8654f48746

Aliases

arxiv: 1405.6547 · arxiv_version: 1405.6547v1 · doi: 10.48550/arxiv.1405.6547 · pith_short_12: 7R2YOSMPQRBX · pith_short_16: 7R2YOSMPQRBXOMUI · pith_short_8: 7R2YOSMP

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/7R2YOSMPQRBXOMUI5ST5YRQCQF \
  | 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: fc7587498f8443773288eca7dc4602815d2666de26f8d401fe403b8654f48746

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5ee54ec54e17005e6daca8af8e7e250c636fa44172203e220c0e0f953e86383",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-05-26T11:38:57Z",
    "title_canon_sha256": "bb57dd143ca8e2def6309c6140844000a372580f16520819953c30ea84d64ccf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6547",
    "kind": "arxiv",
    "version": 1
  }
}