Pith Number

pith:P74ZPCXB

pith:2010:P74ZPCXBYUFDI2J6QICXY5XGUQ

not attested not anchored not stored refs pending

Unveiling quantum entanglement degradation near a Schwarzschild black hole

E. Martin-Martinez, J. Leon, L.J. Garay

arxiv:1006.1394 v3 · 2010-06-07 · quant-ph · 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{P74ZPCXBYUFDI2J6QICXY5XGUQ}

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	2026-05-18T02:33:17.726871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ff9978ae1c50a34693e82057c76e6a42b8cfa64b6892f58323586e290c65824

Aliases

arxiv: 1006.1394 · arxiv_version: 1006.1394v3 · doi: 10.48550/arxiv.1006.1394 · pith_short_12: P74ZPCXBYUFD · pith_short_16: P74ZPCXBYUFDI2J6 · pith_short_8: P74ZPCXB

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/P74ZPCXBYUFDI2J6QICXY5XGUQ \
  | 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: 7ff9978ae1c50a34693e82057c76e6a42b8cfa64b6892f58323586e290c65824

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dbb3ca1b37e54c416c971b1f23dc31f55f4ba3c09d5a9c1c8b9f75905fadf8e",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-06-07T23:03:21Z",
    "title_canon_sha256": "4238df8711c18dcbc387af7877068e1cf62791dfaf9916ccde1f48491a9a9cf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.1394",
    "kind": "arxiv",
    "version": 3
  }
}