Pith Number

pith:UWKAW5D3

pith:2018:UWKAW5D3G3SHFOFQPNEAUEQ7G6

not attested not anchored not stored refs pending

Temporal Cloak without Synchronization

Ming Li, Ninghua Zhu, Shuqian Sun, Wei Li, Zhixing Lin

arxiv:1812.01861 v1 · 2018-12-05 · 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{UWKAW5D3G3SHFOFQPNEAUEQ7G6}

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	2026-05-17T23:47:27.267568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5940b747b36e472b8b07b480a121f37b981233db764f41391028c20d5943ab9

Aliases

arxiv: 1812.01861 · arxiv_version: 1812.01861v1 · doi: 10.48550/arxiv.1812.01861 · pith_short_12: UWKAW5D3G3SH · pith_short_16: UWKAW5D3G3SHFOFQ · pith_short_8: UWKAW5D3

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/UWKAW5D3G3SHFOFQPNEAUEQ7G6 \
  | 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: a5940b747b36e472b8b07b480a121f37b981233db764f41391028c20d5943ab9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbe8da61b3d63f4c8227a539790f68f8804eec36f9c5217521f5b266b9f3af95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-12-05T09:04:14Z",
    "title_canon_sha256": "53ca5e72f6a1f89e82b48183cd9d990f5ac8ec71a4e5071f42cb3ef5328c0091"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01861",
    "kind": "arxiv",
    "version": 1
  }
}