Pith Number

pith:5FS4P4MM

pith:2015:5FS4P4MMHMCT2KPXMNLRYWRHZD

not attested not anchored not stored refs pending

Zero and negative energy dissipation at information-theoretic erasure

Claes G. Granqvist, Ferdinand Peper, Laszlo B. Kish, Sunil P. Khatri

arxiv:1507.08906 v2 · 2015-07-30 · cs.ET

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5FS4P4MMHMCT2KPXMNLRYWRHZD}

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	2026-05-18T01:31:13.452029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e965c7f18c3b053d29f763571c5a27c8f60bb7f2885a3ab41653b83a149a2ae0

Aliases

arxiv: 1507.08906 · arxiv_version: 1507.08906v2 · doi: 10.48550/arxiv.1507.08906 · pith_short_12: 5FS4P4MMHMCT · pith_short_16: 5FS4P4MMHMCT2KPX · pith_short_8: 5FS4P4MM

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/5FS4P4MMHMCT2KPXMNLRYWRHZD \
  | 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: e965c7f18c3b053d29f763571c5a27c8f60bb7f2885a3ab41653b83a149a2ae0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82af35528d3dd5edd84e47957000c1c50a04be3faf654cfeac23d548614554c4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.ET",
    "submitted_at": "2015-07-30T13:38:27Z",
    "title_canon_sha256": "44c64e8e45118d966b6b06d9fa928ef3b3b1b33e1b090ad47466e136c5d4362c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08906",
    "kind": "arxiv",
    "version": 2
  }
}