Pith Number

pith:MPOP4WQV

pith:2010:MPOP4WQVTAPUZ4PUETMOK72A3A

not attested not anchored not stored refs pending

Superfast Cooling

A. M. Steane, A. Retzker, B. Reznik, M. B. Plenio, S. Machnes

arxiv:1001.2714 v1 · 2010-01-15 · quant-ph

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

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	2026-05-18T02:09:43.747827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63dcfe5a15981f4cf1f424d8e57f40d82bbf11f52aec0ccfd5eb817e770511dd

Aliases

arxiv: 1001.2714 · arxiv_version: 1001.2714v1 · doi: 10.48550/arxiv.1001.2714 · pith_short_12: MPOP4WQVTAPU · pith_short_16: MPOP4WQVTAPUZ4PU · pith_short_8: MPOP4WQV

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/MPOP4WQVTAPUZ4PUETMOK72A3A \
  | 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: 63dcfe5a15981f4cf1f424d8e57f40d82bbf11f52aec0ccfd5eb817e770511dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ca34f98f82faae87e21ea71cf55888623f8fdd239cf3dde28db9144e34ac52b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-01-15T15:26:15Z",
    "title_canon_sha256": "2d7cafd70556ed761fec6c766627a0697a65827fd84d1d54792a25326865ec5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.2714",
    "kind": "arxiv",
    "version": 1
  }
}