Pith Number

pith:EACE3VCH

pith:2016:EACE3VCHWN5H4QQVCRBWJMLEPN

not attested not anchored not stored refs pending

A Safety and Liveness Theory for Total Reversibility (Extended Abstract)

Claudio Antares Mezzina, Vasileios Koutavas

arxiv:1604.05555 v2 · 2016-04-19 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EACE3VCHWN5H4QQVCRBWJMLEPN}

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	2026-05-18T01:10:16.461500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20044dd447b37a7e4215144364b1647b5fcfeed0db242fa1624daa401bcc68d3

Aliases

arxiv: 1604.05555 · arxiv_version: 1604.05555v2 · doi: 10.48550/arxiv.1604.05555 · pith_short_12: EACE3VCHWN5H · pith_short_16: EACE3VCHWN5H4QQV · pith_short_8: EACE3VCH

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/EACE3VCHWN5H4QQVCRBWJMLEPN \
  | 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: 20044dd447b37a7e4215144364b1647b5fcfeed0db242fa1624daa401bcc68d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50e97d76b867cda75f8105004422d4054e7165e6ec08ab21e15bc5a03fec077f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-04-19T13:23:57Z",
    "title_canon_sha256": "689bce1086e7335b2848b37ed5c7bb2a05b4e0d40ac548bde42a1f9331810c36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05555",
    "kind": "arxiv",
    "version": 2
  }
}