Pith Number

pith:Y2T6YLZ4

pith:2019:Y2T6YLZ4DUBUQXVFMTZH2WGS22

not attested not anchored not stored refs pending

Black holes and quantum entanglement

Ro Jefferson

arxiv:1901.01149 v1 · 2019-01-02 · physics.pop-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y2T6YLZ4DUBUQXVFMTZH2WGS22}

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	2026-05-17T23:56:56.918294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6a7ec2f3c1d03485ea564f27d58d2d6818864f778b8c98390e342af3ae45f08

Aliases

arxiv: 1901.01149 · arxiv_version: 1901.01149v1 · doi: 10.48550/arxiv.1901.01149 · pith_short_12: Y2T6YLZ4DUBU · pith_short_16: Y2T6YLZ4DUBUQXVF · pith_short_8: Y2T6YLZ4

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/Y2T6YLZ4DUBUQXVFMTZH2WGS22 \
  | 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: c6a7ec2f3c1d03485ea564f27d58d2d6818864f778b8c98390e342af3ae45f08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0809405ffc321ac628132add617d2283c38612d63450bd0bb0378cf85ca0e6da",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2019-01-02T19:00:00Z",
    "title_canon_sha256": "7f35d432178f86dcf7c9ca9c9657f66b844c424b2f053e62a2253564847b9fa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01149",
    "kind": "arxiv",
    "version": 1
  }
}