Pith Number

pith:7UUBTLGB

pith:2020:7UUBTLGB2BGOGHQLXNABBZUSHZ

not attested not anchored not stored refs pending

Testing ER=EPR

Changbo Fu, De-Chang Dai, Dejan Stojkovic, Djordje Minic

arxiv:2002.08178 v2 · 2020-02-17 · hep-th · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7UUBTLGB2BGOGHQLXNABBZUSHZ}

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

Testing the ${\rm ER=EPR}$ conjecture with entangled photons

Testing ER = EPR with Hydrogen

Receipt and verification

First computed	2026-07-05T01:37:06.700218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd2819acc1d04ce31e0bbb4010e6923e518c4c4f7663d1aa0a41080a7b72f670

Aliases

arxiv: 2002.08178 · arxiv_version: 2002.08178v2 · doi: 10.48550/arxiv.2002.08178 · pith_short_12: 7UUBTLGB2BGO · pith_short_16: 7UUBTLGB2BGOGHQL · pith_short_8: 7UUBTLGB

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/7UUBTLGB2BGOGHQLXNABBZUSHZ \
  | 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: fd2819acc1d04ce31e0bbb4010e6923e518c4c4f7663d1aa0a41080a7b72f670

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e866b26ceb089c1e67edadc17fcc8ecd27eccc03e733b6dc301db0d74aa8ab5d",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-02-17T15:55:13Z",
    "title_canon_sha256": "7ea5742cb1b668f4faac45753a0a0292a860713871c0efbc9c86f515b503b5c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.08178",
    "kind": "arxiv",
    "version": 2
  }
}