Pith Number

pith:QEU6TQWV

pith:2018:QEU6TQWVWBAS7YK7RBODJ524DD

not attested not anchored not stored refs pending

Transmitting a signal in negative time

P. Singha Deo, Urbashi Satpathi

arxiv:1806.06414 v1 · 2018-06-17 · 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{QEU6TQWVWBAS7YK7RBODJ524DD}

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	2026-05-18T00:13:02.531290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8129e9c2d5b0412fe15f885c34f75c18ca3d697142a854a0273d6146e7d1b85a

Aliases

arxiv: 1806.06414 · arxiv_version: 1806.06414v1 · doi: 10.48550/arxiv.1806.06414 · pith_short_12: QEU6TQWVWBAS · pith_short_16: QEU6TQWVWBAS7YK7 · pith_short_8: QEU6TQWV

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/QEU6TQWVWBAS7YK7RBODJ524DD \
  | 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: 8129e9c2d5b0412fe15f885c34f75c18ca3d697142a854a0273d6146e7d1b85a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b738dd6f4c11ed0b60d15c371f64bf481d1e8814f40a0a213292fd4f73ca7c9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-06-17T17:13:44Z",
    "title_canon_sha256": "8fae188e54fe558b8e9bdd56573aea82ca383c9122a2c7a401aaf2f39993d49d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06414",
    "kind": "arxiv",
    "version": 1
  }
}