Pith Number

pith:HNNRXVJO

pith:2016:HNNRXVJO6IUM5FJMAW5YYONXQK

not attested not anchored not stored refs pending

Information Content of Gravitational Radiation and the Vacuum

Illan Halpern, Jason Koeller, Raphael Bousso

arxiv:1607.03122 v2 · 2016-07-11 · 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{HNNRXVJO6IUM5FJMAW5YYONXQK}

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	2026-05-18T01:03:49.067339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b5b1bd52ef228ce952c05bb8c39b782ba3e88c046435d88d79cba00435a8ef5

Aliases

arxiv: 1607.03122 · arxiv_version: 1607.03122v2 · doi: 10.48550/arxiv.1607.03122 · pith_short_12: HNNRXVJO6IUM · pith_short_16: HNNRXVJO6IUM5FJM · pith_short_8: HNNRXVJO

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/HNNRXVJO6IUM5FJMAW5YYONXQK \
  | 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: 3b5b1bd52ef228ce952c05bb8c39b782ba3e88c046435d88d79cba00435a8ef5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d339ecdc9a1cc1156167637683ac967105aed13c94792a2b2a3d6aa3c804ad71",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-07-11T20:00:48Z",
    "title_canon_sha256": "975a0b8b88f064335bba30501237f4419872d6ecde3b8e1f75778a75ae8f85db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03122",
    "kind": "arxiv",
    "version": 2
  }
}