Pith Number

pith:DLCWDV36

pith:2015:DLCWDV36PRTVQO35NXUVLZP7KY

not attested not anchored not stored refs pending

Holographic dual of a time machine

Andrey Bagrov, Irina Arefeva, Koenraad Schalm, Petter Saterskog

arxiv:1508.04440 v1 · 2015-08-18 · hep-th · gr-qc · 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{DLCWDV36PRTVQO35NXUVLZP7KY}

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	2026-05-18T01:05:46.078955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ac561d77e7c67583b7d6de955e5ff5632353ccdc680c72a372a605ac6bea64f

Aliases

arxiv: 1508.04440 · arxiv_version: 1508.04440v1 · doi: 10.48550/arxiv.1508.04440 · pith_short_12: DLCWDV36PRTV · pith_short_16: DLCWDV36PRTVQO35 · pith_short_8: DLCWDV36

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/DLCWDV36PRTVQO35NXUVLZP7KY \
  | 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: 1ac561d77e7c67583b7d6de955e5ff5632353ccdc680c72a372a605ac6bea64f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae69b6be0737db7319f73c15e773f7dce984b32eb9043d4842f27ec62e3f3b0b",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-08-18T20:16:06Z",
    "title_canon_sha256": "5ae74c588bbcc5ffdae90d9f502d3845dacfd4e55981ae0a3a7560b37ba33138"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04440",
    "kind": "arxiv",
    "version": 1
  }
}