Pith Number

pith:UHJHJAXA

pith:2021:UHJHJAXARUHQQJ7ETWHQRRZWVG

not attested not anchored not stored refs pending

Hartle-Hawking state in the real-time formalism

Atsushi Higuchi, William C. C. Lima

arxiv:2107.10271 v2 · 2021-07-21 · 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{UHJHJAXARUHQQJ7ETWHQRRZWVG}

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	2026-07-05T03:54:22.273939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1d27482e08d0f0827e49d8f08c736a9890214d1b6c5ade0d991be2bca9976f9

Aliases

arxiv: 2107.10271 · arxiv_version: 2107.10271v2 · doi: 10.48550/arxiv.2107.10271 · pith_short_12: UHJHJAXARUHQ · pith_short_16: UHJHJAXARUHQQJ7E · pith_short_8: UHJHJAXA

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/UHJHJAXARUHQQJ7ETWHQRRZWVG \
  | 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: a1d27482e08d0f0827e49d8f08c736a9890214d1b6c5ade0d991be2bca9976f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3af4831ab1dd14d81a0c6aaed7e2b50f557cf3c00a1e8ff03751d5437a80bf3",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-07-21T18:00:04Z",
    "title_canon_sha256": "46a97dd923c603257587cf2bf651816d16a71a27f02d6e72c5bfa345425cbeff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.10271",
    "kind": "arxiv",
    "version": 2
  }
}