Pith Number

pith:BYWCHIXP

pith:2000:BYWCHIXPTW64MTINLRI4L6RVCO

not attested not anchored not stored refs pending

Black hole horizon and space-time foam

A. G. Agnese, M. La Camera

arxiv:gr-qc/0007058 v1 · 2000-07-21 · 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{BYWCHIXPTW64MTINLRI4L6RVCO}

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	2026-05-18T04:36:19.441143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e2c23a2ef9dbdc64d0d5c51c5fa3513ba82871771e83fb53572e3f9e0ee3e8d

Aliases

arxiv: gr-qc/0007058 · arxiv_version: gr-qc/0007058v1 · doi: 10.48550/arxiv.gr-qc/0007058 · pith_short_12: BYWCHIXPTW64 · pith_short_16: BYWCHIXPTW64MTIN · pith_short_8: BYWCHIXP

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/BYWCHIXPTW64MTINLRI4L6RVCO \
  | 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: 0e2c23a2ef9dbdc64d0d5c51c5fa3513ba82871771e83fb53572e3f9e0ee3e8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08ac0417d46cfd14185ef5796297a795f289da9f2b8567d42c371371eb7ae4ff",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2000-07-21T16:28:27Z",
    "title_canon_sha256": "dba7a120a5aaf96641f6d4190a7cf29b393b664851897749eda393b19afc4907"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0007058",
    "kind": "arxiv",
    "version": 1
  }
}