Pith Number

pith:T6DVCNTO

pith:2013:T6DVCNTOC2MO7D3U6IYMEJMCVR

not attested not anchored not stored refs pending

The Membrane Paradigm and Firewalls

Juan F. Pedraza, Sandipan Kundu, Tom Banks, Willy Fischler

arxiv:1309.7977 v2 · 2013-09-30 · hep-th · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T6DVCNTOC2MO7D3U6IYMEJMCVR}

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	2026-05-18T03:11:35.267505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f8751366e1698ef8f74f230c22582ac4daa9a21718115434fe3fff4bb92fb41

Aliases

arxiv: 1309.7977 · arxiv_version: 1309.7977v2 · doi: 10.48550/arxiv.1309.7977 · pith_short_12: T6DVCNTOC2MO · pith_short_16: T6DVCNTOC2MO7D3U · pith_short_8: T6DVCNTO

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/T6DVCNTOC2MO7D3U6IYMEJMCVR \
  | 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: 9f8751366e1698ef8f74f230c22582ac4daa9a21718115434fe3fff4bb92fb41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95871c97dfa1b6c4c49e53ab63c08ef2ceaa7fe8c32a6039e81dac49150c2e7f",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-09-30T19:35:44Z",
    "title_canon_sha256": "ad605c4261204e2f633bbcfd51d9404a54eb0322399845929df73dc0420117ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7977",
    "kind": "arxiv",
    "version": 2
  }
}