Pith Number

pith:BPFWTZ75

pith:2016:BPFWTZ75KA27JGJC4PNQDGJF65

not attested not anchored not stored refs pending

What gravity waves are telling about quantum spacetime

Gianluca Calcagni, Michele Arzano

arxiv:1604.00541 v3 · 2016-04-02 · 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{BPFWTZ75KA27JGJC4PNQDGJF65}

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.

Cited by

2 papers in Pith

Testing the nature of dark compact objects: a status report

Hawking area law in quantum gravity

Receipt and verification

First computed	2026-05-18T01:11:48.230382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bcb69e7fd5035f49922e3db019925f777bcda9306ddbef9b959094ef4b42f0a

Aliases

arxiv: 1604.00541 · arxiv_version: 1604.00541v3 · doi: 10.48550/arxiv.1604.00541 · pith_short_12: BPFWTZ75KA27 · pith_short_16: BPFWTZ75KA27JGJC · pith_short_8: BPFWTZ75

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/BPFWTZ75KA27JGJC4PNQDGJF65 \
  | 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: 0bcb69e7fd5035f49922e3db019925f777bcda9306ddbef9b959094ef4b42f0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7745599c5926f650aed932aa05adc50be24b6ed3de085543bb07334599324f54",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-04-02T18:20:21Z",
    "title_canon_sha256": "c6f20d86e210db1d26409a5d159e9d5202868a824b6c01ddc211db4450fb6326"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00541",
    "kind": "arxiv",
    "version": 3
  }
}