Pith Number

pith:W7RVPX2N

pith:2019:W7RVPX2NAKJHEPCHRZD5AI4ROW

not attested not anchored not stored refs pending

Gravitational memory in the bulk

Henk Bart

arxiv:1908.07505 v1 · 2019-08-20 · 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{W7RVPX2NAKJHEPCHRZD5AI4ROW}

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	2026-07-05T01:05:09.678704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7e357df4d0292723c478e47d02391758878c0912280fede1bed6ddd291f0e2a

Aliases

arxiv: 1908.07505 · arxiv_version: 1908.07505v1 · doi: 10.48550/arxiv.1908.07505 · pith_short_12: W7RVPX2NAKJH · pith_short_16: W7RVPX2NAKJHEPCH · pith_short_8: W7RVPX2N

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/W7RVPX2NAKJHEPCHRZD5AI4ROW \
  | 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: b7e357df4d0292723c478e47d02391758878c0912280fede1bed6ddd291f0e2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f5def956786a89cdf2fa8531dd1b41e4e99591c336e39cd4c2bcf89deb6ac87",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-20T17:28:45Z",
    "title_canon_sha256": "8dce7b18a49b47d167e83cd2b5632220c5506cc2ff9f766f3510ce3d61993933"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07505",
    "kind": "arxiv",
    "version": 1
  }
}