Pith Number

pith:Y5WLDRUU

pith:2018:Y5WLDRUUHOGJBTZE2YA6MDRZOJ

not attested not anchored not stored refs pending

Reversibility in space, time, and computation: the case of underwater acoustic communications

Harun Siljak

arxiv:1806.04223 v1 · 2018-06-11 · nlin.CG · cs.ET · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y5WLDRUUHOGJBTZE2YA6MDRZOJ}

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	2026-05-18T00:13:36.224583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c76cb1c6943b8c90cf24d601e60e3972431dc3cee9d17b1ca310b9cad8b325f9

Aliases

arxiv: 1806.04223 · arxiv_version: 1806.04223v1 · doi: 10.48550/arxiv.1806.04223 · pith_short_12: Y5WLDRUUHOGJ · pith_short_16: Y5WLDRUUHOGJBTZE · pith_short_8: Y5WLDRUU

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/Y5WLDRUUHOGJBTZE2YA6MDRZOJ \
  | 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: c76cb1c6943b8c90cf24d601e60e3972431dc3cee9d17b1ca310b9cad8b325f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dc664bec5678f18d438b312e63300cdec53a0f67c86aff6dad35f054c372148",
    "cross_cats_sorted": [
      "cs.ET",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CG",
    "submitted_at": "2018-06-11T20:21:03Z",
    "title_canon_sha256": "88817e7f38b43a4764fb16558be35e2d73257ef34f39b08556ba6c010e4cdb4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04223",
    "kind": "arxiv",
    "version": 1
  }
}