Pith Number

pith:AH3ALLZM

pith:2018:AH3ALLZMPVI5YRSUJJUX6ZSRBW

not attested not anchored not stored refs pending

Damped perturbations in the no-boundary state

James B. Hartle, Jonathan J. Halliwell, Juan Diaz Dorronsoro, Oliver Janssen, Thomas Hertog, Yannick Vreys

arxiv:1804.01102 v2 · 2018-04-03 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AH3ALLZMPVI5YRSUJJUX6ZSRBW}

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	2026-05-18T00:06:11.692715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01f605af2c7d51dc46544a697f66510db78fa2a3445d6f262174b9c9cab9d624

Aliases

arxiv: 1804.01102 · arxiv_version: 1804.01102v2 · doi: 10.48550/arxiv.1804.01102 · pith_short_12: AH3ALLZMPVI5 · pith_short_16: AH3ALLZMPVI5YRSU · pith_short_8: AH3ALLZM

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/AH3ALLZMPVI5YRSUJJUX6ZSRBW \
  | 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: 01f605af2c7d51dc46544a697f66510db78fa2a3445d6f262174b9c9cab9d624

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d70e4fe90addc6e072c4ac616f104789330803d9960dcf5c723eb9a93620efbd",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-04-03T18:00:04Z",
    "title_canon_sha256": "62526d971b2c0fd8706fb28e48f9427a307ec7791966fb0751185eb93ba3a76d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01102",
    "kind": "arxiv",
    "version": 2
  }
}