Pith Number

pith:EXU7FAT4

pith:2020:EXU7FAT45MIBUBOVIPQCKVDQ3F

not attested not anchored not stored refs pending

Ultra-bright Quantum Photon Sources on Chip

Chao Tang, Heng Fan, Jia-Yang Chen, Yong Meng Sua, Yu-ping Huang, Zhan Li, Zhaohui Ma

arxiv:2010.04242 v1 · 2020-10-08 · physics.optics · 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{EXU7FAT45MIBUBOVIPQCKVDQ3F}

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	2026-07-05T02:03:49.190727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25e9f2827ceb101a05d543e0255470d94f42ec3e99caf5a1be7d9e536b84741d

Aliases

arxiv: 2010.04242 · arxiv_version: 2010.04242v1 · doi: 10.48550/arxiv.2010.04242 · pith_short_12: EXU7FAT45MIB · pith_short_16: EXU7FAT45MIBUBOV · pith_short_8: EXU7FAT4

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/EXU7FAT45MIBUBOVIPQCKVDQ3F \
  | 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: 25e9f2827ceb101a05d543e0255470d94f42ec3e99caf5a1be7d9e536b84741d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad507fd9ca24760baf203a3e13fa7ec230a957f02e81443b105e3b3cca78ef3b",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-10-08T20:00:30Z",
    "title_canon_sha256": "9bc35a7de77f3fb6e78c015eadf61da375c34cce4925541498de7fcaa8d9da71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.04242",
    "kind": "arxiv",
    "version": 1
  }
}