Pith Number

pith:6V6Z34YC

pith:2014:6V6Z34YCAOIAV2PNVDEMTBEZSO

not attested not anchored not stored refs pending

Fibred Coalgebraic Logic and Quantum Protocols

Daniel Marsden (Department of Computer Science, UK), University of Oxford

arxiv:1412.8525 v1 · 2014-12-30 · quant-ph · 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{6V6Z34YCAOIAV2PNVDEMTBEZSO}

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	2026-05-18T02:30:17.208754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f57d9df30203900ae9eda8c8c98499938be54790b4eee4f42e9a37daadcedb6c

Aliases

arxiv: 1412.8525 · arxiv_version: 1412.8525v1 · doi: 10.48550/arxiv.1412.8525 · pith_short_12: 6V6Z34YCAOIA · pith_short_16: 6V6Z34YCAOIAV2PN · pith_short_8: 6V6Z34YC

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/6V6Z34YCAOIAV2PNVDEMTBEZSO \
  | 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: f57d9df30203900ae9eda8c8c98499938be54790b4eee4f42e9a37daadcedb6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07e6076a34aa64bfe14216ef19c945ede60acc004016aac2ca2852c30c98f0a2",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-12-30T01:43:13Z",
    "title_canon_sha256": "31b3d670a5ea38e5ace20dc5dae6300e19daf91473b71c6cd00534e667a1cecf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8525",
    "kind": "arxiv",
    "version": 1
  }
}