Pith Number

pith:62SSPILA

pith:2014:62SSPILABKGPOIWI3MBYVHZDJJ

not attested not anchored not stored refs pending

Reply to a Commentary "Asking photons where they have been without telling them what to say"

A. Danan, D. Farfurnik, L. Vaidman, S. Bar-Ad

arxiv:1401.5420 v3 · 2014-01-21 · 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{62SSPILABKGPOIWI3MBYVHZDJJ}

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	2026-05-18T01:35:57.452940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6a527a1600a8cf722c8db038a9f234a7b7ada69f1b9397a6803d0407633d33d

Aliases

arxiv: 1401.5420 · arxiv_version: 1401.5420v3 · doi: 10.48550/arxiv.1401.5420 · pith_short_12: 62SSPILABKGP · pith_short_16: 62SSPILABKGPOIWI · pith_short_8: 62SSPILA

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/62SSPILABKGPOIWI3MBYVHZDJJ \
  | 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: f6a527a1600a8cf722c8db038a9f234a7b7ada69f1b9397a6803d0407633d33d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0561492f4af7b22256a1cb4a0c150097ea08c6475e22f0feeb668b7dccb5e96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-01-21T19:00:51Z",
    "title_canon_sha256": "029070e65966e64691142112017a531613403c74bda7b43de815093bdfd43264"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5420",
    "kind": "arxiv",
    "version": 3
  }
}