Pith Number

pith:6QJFF65P

pith:2014:6QJFF65PWWKUIOTBYL6NXDWEOA

not attested not anchored not stored refs pending

A Massless Firewall

Werner Israel

arxiv:1403.7470 v3 · 2014-03-28 · 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{6QJFF65PWWKUIOTBYL6NXDWEOA}

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	2026-05-18T02:52:49.250953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f41252fbafb595443a61c2fcdb8ec4701d8e3478567c06d55604f3adf7542004

Aliases

arxiv: 1403.7470 · arxiv_version: 1403.7470v3 · doi: 10.48550/arxiv.1403.7470 · pith_short_12: 6QJFF65PWWKU · pith_short_16: 6QJFF65PWWKUIOTB · pith_short_8: 6QJFF65P

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/6QJFF65PWWKUIOTBYL6NXDWEOA \
  | 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: f41252fbafb595443a61c2fcdb8ec4701d8e3478567c06d55604f3adf7542004

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9d1fec1d754117562d09943ed8dab47ccd7b12315b5ca26712c9319cdfcdf3a",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-03-28T18:06:31Z",
    "title_canon_sha256": "b421c3be95a7560be84bd7ccdbf582927e220c17899f81cb3d008756e1a5def8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.7470",
    "kind": "arxiv",
    "version": 3
  }
}