Pith Number

pith:I22OZJWA

pith:2021:I22OZJWALNJOFN6FCSBY6GRFFO

not attested not anchored not stored refs pending

Assessing the Needs of the Quantum Industry

Celia Merzbacher, Ciaran Hughes, Dan-Adrian German, Doug Finke, H. J. Lewandowski, Patrick M. Vora

arxiv:2109.03601 v1 · 2021-08-25 · physics.ed-ph · 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{I22OZJWALNJOFN6FCSBY6GRFFO}

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	2026-07-05T03:12:41.092962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46b4eca6c05b52e2b7c514838f1a252ba5535b5ecde54d332cb4c5d66f84895a

Aliases

arxiv: 2109.03601 · arxiv_version: 2109.03601v1 · doi: 10.48550/arxiv.2109.03601 · pith_short_12: I22OZJWALNJO · pith_short_16: I22OZJWALNJOFN6F · pith_short_8: I22OZJWA

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/I22OZJWALNJOFN6FCSBY6GRFFO \
  | 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: 46b4eca6c05b52e2b7c514838f1a252ba5535b5ecde54d332cb4c5d66f84895a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "562141374229d95af2b35017b0af9080cdb5512c696b5dae4a713a3f6cf3d46b",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2021-08-25T17:13:46Z",
    "title_canon_sha256": "715f32e582d7b49f99434049bebbff5839092ada21de5e5c2ef04f3d15c12408"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.03601",
    "kind": "arxiv",
    "version": 1
  }
}