Pith Number

pith:NFBWQ2K3

pith:2015:NFBWQ2K3GIPWFUY4WNYNOVXZA2

not attested not anchored not stored refs pending

Objective Reality of Pointer States

JMI, New Delhi), Tabish Qureshi (Centre for Theoretical Physics

arxiv:1506.04939 v2 · 2015-06-16 · 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{NFBWQ2K3GIPWFUY4WNYNOVXZA2}

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	2026-05-18T00:55:52.281332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

694368695b321f62d31cb370d756f906853fc5bf05314a15ad3c394c5b611007

Aliases

arxiv: 1506.04939 · arxiv_version: 1506.04939v2 · doi: 10.48550/arxiv.1506.04939 · pith_short_12: NFBWQ2K3GIPW · pith_short_16: NFBWQ2K3GIPWFUY4 · pith_short_8: NFBWQ2K3

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/NFBWQ2K3GIPWFUY4WNYNOVXZA2 \
  | 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: 694368695b321f62d31cb370d756f906853fc5bf05314a15ad3c394c5b611007

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c1d06a855b75e13ce68c2375891aab8dfdb3cd2bb4db5bea4e66b8f13b60873",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-06-16T12:28:14Z",
    "title_canon_sha256": "a9ea231cc06487954dddd16e281503abebd058813361b0e3adaf365452e74ecb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04939",
    "kind": "arxiv",
    "version": 2
  }
}