Pith Number

pith:FSA3VYVG

pith:2016:FSA3VYVGSZ4XF6V5GMEPSZLQWI

not attested not anchored not stored refs pending

Quanta and Qualia

Adrian Kent (Centre for Quantum Information, DAMTP, Foundations, Perimeter Institute), University of Cambridge

arxiv:1608.04804 v4 · 2016-08-16 · quant-ph · physics.hist-ph · physics.pop-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{FSA3VYVGSZ4XF6V5GMEPSZLQWI}

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	2026-05-17T23:56:34.629256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c81bae2a6967972fabd3308f96570b23b2875e7ebaac9ca1e31d9b2fa661c7b

Aliases

arxiv: 1608.04804 · arxiv_version: 1608.04804v4 · doi: 10.48550/arxiv.1608.04804 · pith_short_12: FSA3VYVGSZ4X · pith_short_16: FSA3VYVGSZ4XF6V5 · pith_short_8: FSA3VYVG

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/FSA3VYVGSZ4XF6V5GMEPSZLQWI \
  | 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: 2c81bae2a6967972fabd3308f96570b23b2875e7ebaac9ca1e31d9b2fa661c7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "305d81cce753d2ea5ab1f4b7b4e57e368777319d45c2354313ccc1e30c5f4ecd",
    "cross_cats_sorted": [
      "physics.hist-ph",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-08-16T23:22:47Z",
    "title_canon_sha256": "4473f1e3849544cd75ec95c0b9d286e0a648f4d1d1dc2ffdab63e88b253ee42e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04804",
    "kind": "arxiv",
    "version": 4
  }
}