Pith Number

pith:SOKDNRIU

pith:2018:SOKDNRIUCAJXXZUUHQROTEDL4R

not attested not anchored not stored refs pending

Parameter estimation of wormholes beyond the Heisenberg limit

Carlos Sab\'in, Carlos Sanchidri\'an Vaca

arxiv:1811.02395 v2 · 2018-11-06 · gr-qc · astro-ph.IM · 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{SOKDNRIUCAJXXZUUHQROTEDL4R}

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	2026-05-18T00:01:14.442350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

939436c51410137be6943c22e9906be4742827dcfee8735fe20bf34152b8166e

Aliases

arxiv: 1811.02395 · arxiv_version: 1811.02395v2 · doi: 10.48550/arxiv.1811.02395 · pith_short_12: SOKDNRIUCAJX · pith_short_16: SOKDNRIUCAJXXZUU · pith_short_8: SOKDNRIU

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/SOKDNRIUCAJXXZUUHQROTEDL4R \
  | 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: 939436c51410137be6943c22e9906be4742827dcfee8735fe20bf34152b8166e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "193502ad3540329cbcaa7b03a27796df0434a2109978172a5e66e901948331ac",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-11-06T15:07:00Z",
    "title_canon_sha256": "5417c6f0bf7600011375818d3f86fcb895c0e75fe282244c2098344bc7858fb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02395",
    "kind": "arxiv",
    "version": 2
  }
}