pith. sign in
Pith Number

pith:UMVOUSMP

pith:2013:UMVOUSMPD66LZLLGHHQ3KK6NGL
not attested not anchored not stored refs pending

Numerical Evidence for Firewalls

David Berenstein, Eric Dzienkowski

arxiv:1311.1168 v2 · 2013-11-05 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UMVOUSMPD66LZLLGHHQ3KK6NGL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T03:06:32.153061Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a32aea498f1fbcbcad6639e1b52bcd32c6decfe2c7302b38a92ffcb1d30d407d

Aliases

arxiv: 1311.1168 · arxiv_version: 1311.1168v2 · doi: 10.48550/arxiv.1311.1168 · pith_short_12: UMVOUSMPD66L · pith_short_16: UMVOUSMPD66LZLLG · pith_short_8: UMVOUSMP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UMVOUSMPD66LZLLGHHQ3KK6NGL \
  | 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: a32aea498f1fbcbcad6639e1b52bcd32c6decfe2c7302b38a92ffcb1d30d407d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e45b2f39ce81d86213c53d6786ca482c61e66a0bf4a8bfe81eea3d8b477b9ea6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-11-05T19:24:09Z",
    "title_canon_sha256": "1409cdf17c09b8f254d73704427db1b4b6bceef1cf9d19daf76bc3f54619fa84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1168",
    "kind": "arxiv",
    "version": 2
  }
}