Pith Number

pith:ZC5SLWXY

pith:2011:ZC5SLWXYHDYWV25HCGBJP6WDYZ

not attested not anchored not stored refs pending

Optimized Heralding Schemes for Single Photons

Joseph B. Altepeter, Prem Kumar, Yu-ping Huang

arxiv:1108.2693 v1 · 2011-08-12 · 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{ZC5SLWXYHDYWV25HCGBJP6WDYZ}

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	2026-05-18T02:00:54.548511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8bb25daf838f16aeba7118297fac3c6707db6a940f5a5331ea70d9bc0c9723d

Aliases

arxiv: 1108.2693 · arxiv_version: 1108.2693v1 · doi: 10.48550/arxiv.1108.2693 · pith_short_12: ZC5SLWXYHDYW · pith_short_16: ZC5SLWXYHDYWV25H · pith_short_8: ZC5SLWXY

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/ZC5SLWXYHDYWV25HCGBJP6WDYZ \
  | 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: c8bb25daf838f16aeba7118297fac3c6707db6a940f5a5331ea70d9bc0c9723d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6927c77d70f5299d96cad856c3b603a363ec914215eb74cbb646b8fd9a3cde26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-08-12T19:37:03Z",
    "title_canon_sha256": "19504a5747d80943c0e41d4c649ffe8c609818e57f486120bea27bb0e5d75ee4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2693",
    "kind": "arxiv",
    "version": 1
  }
}