Pith Number

pith:YGPYWSLQ

pith:2013:YGPYWSLQGZJGXGKTCBK3R2KWZL

not attested not anchored not stored refs pending

Single-pixel digital "ghost" holography

Enrique Tajahuerce, Jesus Lancis, Pere Clemente, Vicente Duran, Victor Torres-Company

arxiv:1305.7069 v1 · 2013-05-30 · 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{YGPYWSLQGZJGXGKTCBK3R2KWZL}

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	2026-05-18T01:49:39.845011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c19f8b497036526b99531055b8e956cad0e042d397d3c3105ab7cb2a9a63bfc8

Aliases

arxiv: 1305.7069 · arxiv_version: 1305.7069v1 · doi: 10.48550/arxiv.1305.7069 · pith_short_12: YGPYWSLQGZJG · pith_short_16: YGPYWSLQGZJGXGKT · pith_short_8: YGPYWSLQ

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/YGPYWSLQGZJGXGKTCBK3R2KWZL \
  | 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: c19f8b497036526b99531055b8e956cad0e042d397d3c3105ab7cb2a9a63bfc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b44b527411f78d6ad307021a30ce3ad6a4a5c82217dd08ab77d8d4bb3c575b27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-05-30T11:51:30Z",
    "title_canon_sha256": "487ecae52c3c1092ca009a1f2c6a35d5793c37c392bedf3ad8cd3ba2e3d45692"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.7069",
    "kind": "arxiv",
    "version": 1
  }
}