Pith Number

pith:NR6QLLFB

pith:2018:NR6QLLFB3LJO2IHMST22VM2WBM

not attested not anchored not stored refs pending

Extremal Tunneling and Anti-de Sitter Instantons

Jan Pieter van der Schaar, Lars Aalsma

arxiv:1801.04930 v2 · 2018-01-15 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NR6QLLFB3LJO2IHMST22VM2WBM}

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	2026-05-18T00:19:56.505103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c7d05aca1dad2ed20ec94f5aab3560b396df2245ca89ea94d0308354594a210

Aliases

arxiv: 1801.04930 · arxiv_version: 1801.04930v2 · doi: 10.48550/arxiv.1801.04930 · pith_short_12: NR6QLLFB3LJO · pith_short_16: NR6QLLFB3LJO2IHM · pith_short_8: NR6QLLFB

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/NR6QLLFB3LJO2IHMST22VM2WBM \
  | 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: 6c7d05aca1dad2ed20ec94f5aab3560b396df2245ca89ea94d0308354594a210

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "446df2178baf07974deaf0b890e5518173057dac79386004a0b5af1aa2c3c505",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-01-15T19:00:00Z",
    "title_canon_sha256": "23dab41802bcb14d77641dabe5539e0ac987bbb8294bb0834a82211acedb5ccb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04930",
    "kind": "arxiv",
    "version": 2
  }
}