Pith Number

pith:R45F4AWI

pith:2014:R45F4AWIOK2N4DUINZTSUNXQDB

not attested not anchored not stored refs pending

Knowing "where the photons have been"

Anton\'in \v{C}ernoch, Dalibor Jav\r{u}rek, Jan Soubusta, Ji\v{r}\'i Svozil\'ik, Karel Lemr, Karol Bartkiewicz

arxiv:1410.8454 v2 · 2014-10-30 · 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{R45F4AWIOK2N4DUINZTSUNXQDB}

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	2026-05-18T02:29:31.412986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f3a5e02c872b4de0e886e672a36f0187cf6d41f1e4851aa0bad1626e5db8dc5

Aliases

arxiv: 1410.8454 · arxiv_version: 1410.8454v2 · doi: 10.48550/arxiv.1410.8454 · pith_short_12: R45F4AWIOK2N · pith_short_16: R45F4AWIOK2N4DUI · pith_short_8: R45F4AWI

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/R45F4AWIOK2N4DUINZTSUNXQDB \
  | 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: 8f3a5e02c872b4de0e886e672a36f0187cf6d41f1e4851aa0bad1626e5db8dc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f85f2c2170f57fdf796aad527b06917a0bf47a26860f5fff15cab28579b21b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-10-30T17:25:20Z",
    "title_canon_sha256": "7176a74d134dd4a324d569a233334a76fcf747d8585091dfaeca1a8f74aee86c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.8454",
    "kind": "arxiv",
    "version": 2
  }
}