Pith Number

pith:RYPE3K2M

pith:2019:RYPE3K2MXYOHACBVVGGIYZFRNP

not attested not anchored not stored refs pending

Some Consequences of the Thermodynamic Cost of System Identification

Chris Fields

arxiv:1902.00785 v1 · 2019-02-02 · 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{RYPE3K2MXYOHACBVVGGIYZFRNP}

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	2026-05-17T23:54:52.171895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e1e4dab4cbe1c700835a98c8c64b16bc266e8a87bb374ba227da392b49f70f8

Aliases

arxiv: 1902.00785 · arxiv_version: 1902.00785v1 · doi: 10.48550/arxiv.1902.00785 · pith_short_12: RYPE3K2MXYOH · pith_short_16: RYPE3K2MXYOHACBV · pith_short_8: RYPE3K2M

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/RYPE3K2MXYOHACBVVGGIYZFRNP \
  | 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: 8e1e4dab4cbe1c700835a98c8c64b16bc266e8a87bb374ba227da392b49f70f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a894542480f946f9858011fd991000e1c471c57a8ba9c18b8dc740120be8b5b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-02-02T20:39:40Z",
    "title_canon_sha256": "337a907ce071f46d3cc89c247b14defd8ee19a21371d54bb81d915c9e659adee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00785",
    "kind": "arxiv",
    "version": 1
  }
}