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Pith Number

pith:3NFZ2KT3

pith:2017:3NFZ2KT33WWTD3IB5KJ5GF4OFI
not attested not anchored not stored refs pending

Information Loss

Robert M. Wald, William G. Unruh

arxiv:1703.02140 v1 · 2017-03-06 · hep-th · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3NFZ2KT33WWTD3IB5KJ5GF4OFI}

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

4 papers in Pith

Receipt and verification
First computed 2026-05-18T00:38:56.982343Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

db4b9d2a7bddad31ed01ea93d3178e2a39e79634b2522811ef414825f3ff98d9

Aliases

arxiv: 1703.02140 · arxiv_version: 1703.02140v1 · doi: 10.48550/arxiv.1703.02140 · pith_short_12: 3NFZ2KT33WWT · pith_short_16: 3NFZ2KT33WWTD3IB · pith_short_8: 3NFZ2KT3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3NFZ2KT33WWTD3IB5KJ5GF4OFI \
  | 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: db4b9d2a7bddad31ed01ea93d3178e2a39e79634b2522811ef414825f3ff98d9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b0891fec35f41c14257d9dc1adfd81ff17e91389ee41be8d0639180a4311e42c",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2017-03-06T22:48:32Z",
    "title_canon_sha256": "f09328335d9ef59635b6a62c0429174a03cdb5dcf7768647d4db4697685fd8af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.02140",
    "kind": "arxiv",
    "version": 1
  }
}