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Pith Number

pith:QD4KXLDP

pith:2012:QD4KXLDP357HGW4EOUOX2PUK6H
not attested not anchored not stored refs pending

Singularities, Firewalls, and Complementarity

Leonard Susskind

arxiv:1208.3445 v1 · 2012-08-16 · hep-th · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QD4KXLDP357HGW4EOUOX2PUK6H}

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

Receipt and verification
First computed 2026-05-18T03:48:35.898965Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

80f8abac6fdf7e735b84751d7d3e8af1d015d124d32050721ce6f8dd0f86dc7c

Aliases

arxiv: 1208.3445 · arxiv_version: 1208.3445v1 · doi: 10.48550/arxiv.1208.3445 · pith_short_12: QD4KXLDP357H · pith_short_16: QD4KXLDP357HGW4E · pith_short_8: QD4KXLDP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QD4KXLDP357HGW4EOUOX2PUK6H \
  | 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: 80f8abac6fdf7e735b84751d7d3e8af1d015d124d32050721ce6f8dd0f86dc7c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "82cfbe5043f373d82a8872de8b39e1ac85c2152ccf6955f5be4f304a025ccfa3",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-08-16T19:11:59Z",
    "title_canon_sha256": "b4e725cf427ddfb97ef431d5646134de3a8023b8a9e0f43ee8d2dbcfe6625c2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3445",
    "kind": "arxiv",
    "version": 1
  }
}