Pith Number

pith:IM4EU23H

pith:2015:IM4EU23HSVSAMHZ7ELSTEU4YRG

not attested not anchored not stored refs pending

Signing Perfect Currency Bonds

Prasanta K. Panigrahi, Subhayan Roy Moulick

arxiv:1505.05251 v2 · 2015-05-20 · quant-ph · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IM4EU23HSVSAMHZ7ELSTEU4YRG}

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	2026-07-05T05:08:02.097273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43384a6b679564061f3f22e532539889b10b492ed7cf45991373fa8344551fac

Aliases

arxiv: 1505.05251 · arxiv_version: 1505.05251v2 · doi: 10.48550/arxiv.1505.05251 · pith_short_12: IM4EU23HSVSA · pith_short_16: IM4EU23HSVSAMHZ7 · pith_short_8: IM4EU23H

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/IM4EU23HSVSAMHZ7ELSTEU4YRG \
  | 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: 43384a6b679564061f3f22e532539889b10b492ed7cf45991373fa8344551fac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c48db35731f0d9b2e872bc7454059a232107430b21f4d17213f8220c9356ef8",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-05-20T05:48:43Z",
    "title_canon_sha256": "434c25043f7de35f9796feae0b68743282e3373f5b371abaa7e8d0461544b2ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05251",
    "kind": "arxiv",
    "version": 2
  }
}