Pith Number

pith:LBJFDB3E

pith:2015:LBJFDB3E4UVR6R3BUNTJP4DSW3

not attested not anchored not stored refs pending

Reversibility and the structure of the local state space

Jonathan Richens, Sabri W. Al-Safi

arxiv:1508.03491 v1 · 2015-08-14 · 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{LBJFDB3E4UVR6R3BUNTJP4DSW3}

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	2026-05-18T01:22:37.024953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5852518764e52b1f4761a36697f072b6e8b500052fa2e36d5129dcb1ab59c6bb

Aliases

arxiv: 1508.03491 · arxiv_version: 1508.03491v1 · doi: 10.48550/arxiv.1508.03491 · pith_short_12: LBJFDB3E4UVR · pith_short_16: LBJFDB3E4UVR6R3B · pith_short_8: LBJFDB3E

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/LBJFDB3E4UVR6R3BUNTJP4DSW3 \
  | 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: 5852518764e52b1f4761a36697f072b6e8b500052fa2e36d5129dcb1ab59c6bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c6469aa192e732c132690426d7654459c4f0e1ea624969141871815561bb81e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-08-14T13:23:21Z",
    "title_canon_sha256": "b45c46cf6ca4bd892776796d9c0517e5ac10297c6b35ab10aa6e033a0e022747"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03491",
    "kind": "arxiv",
    "version": 1
  }
}