pith. sign in
Pith Number

pith:R2QJ3VHW

pith:2014:R2QJ3VHWAXZ6NMASPGQQIO4RT2
not attested not anchored not stored refs pending

Information is not physical

Robert Alicki

arxiv:1402.2414 v1 · 2014-02-11 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{R2QJ3VHWAXZ6NMASPGQQIO4RT2}

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 2026-05-18T02:59:19.894826Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8ea09dd4f605f3e6b01279a1043b919e8cf76c31080b5ae7af09e3bbce47d8e7

Aliases

arxiv: 1402.2414 · arxiv_version: 1402.2414v1 · doi: 10.48550/arxiv.1402.2414 · pith_short_12: R2QJ3VHWAXZ6 · pith_short_16: R2QJ3VHWAXZ6NMAS · pith_short_8: R2QJ3VHW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/R2QJ3VHWAXZ6NMASPGQQIO4RT2 \
  | 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: 8ea09dd4f605f3e6b01279a1043b919e8cf76c31080b5ae7af09e3bbce47d8e7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a38bf31abb1b3cf40b84de62c9b69ab1df67871b3085927656a07b7df8061320",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-02-11T10:00:51Z",
    "title_canon_sha256": "6349244f603ea5ae844112c9fb772c313e0252e86a1a2bbee301de19608883df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2414",
    "kind": "arxiv",
    "version": 1
  }
}