Pith Number

pith:UTMZWP7G

pith:2008:UTMZWP7GPZ6XRWC3RLLB2V5UQN

not attested not anchored not stored refs pending

Effectively irreversible fringe contrast attenuation induced by one degree of freedom

Ad\'elcio C. Oliveira, A. R. Bosco de Magalh\~aes

arxiv:0810.5536 v2 · 2008-10-30 · 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{UTMZWP7GPZ6XRWC3RLLB2V5UQN}

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	2026-05-18T03:49:09.489534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4d99b3fe67e7d78d85b8ad61d57b48373a3c98e22004e1d9e46c504c19620d2

Aliases

arxiv: 0810.5536 · arxiv_version: 0810.5536v2 · doi: 10.48550/arxiv.0810.5536 · pith_short_12: UTMZWP7GPZ6X · pith_short_16: UTMZWP7GPZ6XRWC3 · pith_short_8: UTMZWP7G

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/UTMZWP7GPZ6XRWC3RLLB2V5UQN \
  | 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: a4d99b3fe67e7d78d85b8ad61d57b48373a3c98e22004e1d9e46c504c19620d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fa9c0926d3fff2415a83700d6e0f7e806b6219210a79e2c9032d5d633391c39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-10-30T18:36:49Z",
    "title_canon_sha256": "62755599275f2aa40af9b786269fd4f014597653c05941d90f1b4521af7a4a4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.5536",
    "kind": "arxiv",
    "version": 2
  }
}