Pith Number

pith:3WKATLHA

pith:2015:3WKATLHAT3FOVHRDIDRYUJ7GSK

not attested not anchored not stored refs pending

Can a Dove prism change the past of a single photon?

Andrew N. Jordan, Miguel A. Alonso

arxiv:1501.01287 v1 · 2015-01-06 · 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{3WKATLHAT3FOVHRDIDRYUJ7GSK}

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	2026-05-18T01:32:10.600741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd9409ace09ecaea9e2340e38a27e692b7aab07d622b782fec4388bd4ab7532b

Aliases

arxiv: 1501.01287 · arxiv_version: 1501.01287v1 · doi: 10.48550/arxiv.1501.01287 · pith_short_12: 3WKATLHAT3FO · pith_short_16: 3WKATLHAT3FOVHRD · pith_short_8: 3WKATLHA

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/3WKATLHAT3FOVHRDIDRYUJ7GSK \
  | 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: dd9409ace09ecaea9e2340e38a27e692b7aab07d622b782fec4388bd4ab7532b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80d718f7b421d613f67da69b93b303fbaf88f0bc1d59bcc3a8e38731899297a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-01-06T20:19:50Z",
    "title_canon_sha256": "0b5347539e63098b2585daf8f706b431830b9e99f5c14e6f3e9ef0a4b5fdc0e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01287",
    "kind": "arxiv",
    "version": 1
  }
}