Pith Number

pith:RAMGQ5PG

pith:2021:RAMGQ5PGGG3RRI4QSDPS7O4VV6

not attested not anchored not stored refs pending

Single-pixel diffuser camera

Baolei Liu, Chaohao Chen, David McGloin, Fan Wang

arxiv:2105.02459 v1 · 2021-05-06 · physics.optics · eess.IV · physics.app-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{RAMGQ5PGGG3RRI4QSDPS7O4VV6}

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	2026-07-05T03:28:37.327127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88186875e631b718a39090df2fbb95afa36e314ab9ba897a58b2a699e31e4919

Aliases

arxiv: 2105.02459 · arxiv_version: 2105.02459v1 · doi: 10.48550/arxiv.2105.02459 · pith_short_12: RAMGQ5PGGG3R · pith_short_16: RAMGQ5PGGG3RRI4Q · pith_short_8: RAMGQ5PG

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/RAMGQ5PGGG3RRI4QSDPS7O4VV6 \
  | 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: 88186875e631b718a39090df2fbb95afa36e314ab9ba897a58b2a699e31e4919

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec29f6010eaa3d3720841ce8c6e66d24580781480ed3d0ca18cc92329650dade",
    "cross_cats_sorted": [
      "eess.IV",
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-05-06T06:37:26Z",
    "title_canon_sha256": "caa6f0543d9203544305c0934923bc721edb887b34c327aefcc4c2a59d42c32b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.02459",
    "kind": "arxiv",
    "version": 1
  }
}