Pith Number

pith:QNF27HBE

pith:2010:QNF27HBECOQEVOXBJEW4NBHZ4L

not attested not anchored not stored refs pending

Interference of two photons of different color

C. J. McKinstrie, H. J. McGuinness, M. G. Raymer, S. J. van Enk

arxiv:1002.0350 v1 · 2010-02-01 · 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{QNF27HBECOQEVOXBJEW4NBHZ4L}

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	2026-05-18T02:09:21.288922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

834baf9c2413a04abae1492dc684f9e2c1be6f9c654965d663334797d1d8317b

Aliases

arxiv: 1002.0350 · arxiv_version: 1002.0350v1 · doi: 10.48550/arxiv.1002.0350 · pith_short_12: QNF27HBECOQE · pith_short_16: QNF27HBECOQEVOXB · pith_short_8: QNF27HBE

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/QNF27HBECOQEVOXBJEW4NBHZ4L \
  | 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: 834baf9c2413a04abae1492dc684f9e2c1be6f9c654965d663334797d1d8317b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2a991631ba11f2822527125af56b597c46e49bd3c579eff9342631dbc565348",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-02-01T22:06:52Z",
    "title_canon_sha256": "e14bede2b0d16180c7dfd8d52985c7e49b76c8a5d77a1ce876b7295e2609f9bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0350",
    "kind": "arxiv",
    "version": 1
  }
}