Pith Number

pith:EJTERBML

pith:2015:EJTERBMLL52Q4KAG2VFN3LYGH5

not attested not anchored not stored refs pending

Hierarchy of Bounds on Accessible Information and Informational Power

Michele Dall'Arno

arxiv:1504.04429 v2 · 2015-04-17 · 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{EJTERBMLL52Q4KAG2VFN3LYGH5}

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	2026-05-18T01:36:13.140257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

226648858b5f750e2806d54addaf063f74a7e33c83a09f2e58ebdb55de15571c

Aliases

arxiv: 1504.04429 · arxiv_version: 1504.04429v2 · doi: 10.48550/arxiv.1504.04429 · pith_short_12: EJTERBMLL52Q · pith_short_16: EJTERBMLL52Q4KAG · pith_short_8: EJTERBML

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/EJTERBMLL52Q4KAG2VFN3LYGH5 \
  | 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: 226648858b5f750e2806d54addaf063f74a7e33c83a09f2e58ebdb55de15571c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ded8e5a3c883f2c003644fcff339d04ed166ad72e3d2a078c9150184ab62f71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-17T02:53:50Z",
    "title_canon_sha256": "90659228664c91aacbcfd1a29f0f5b95e1f834415025b556ada463f3b7a7999a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04429",
    "kind": "arxiv",
    "version": 2
  }
}