Pith Number

pith:EE7RB6MP

pith:1998:EE7RB6MP6Z5O4YOI2VWBDA473P

not attested not anchored not stored refs pending

Event horizon - Magnifying glass for Planck length physics

T. Padmanabhan

arxiv:hep-th/9801138 v1 · 1998-01-20 · hep-th · 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{EE7RB6MP6Z5O4YOI2VWBDA473P}

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

1 paper in Pith

Gravity and Quantum Theory: Domains of Conflict and Contact

Receipt and verification

First computed	2026-05-18T02:36:01.831529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

213f10f98ff67aee61c8d56c11839fdbd348362cbd38c7d7ad3ea96bcfbc2a08

Aliases

arxiv: hep-th/9801138 · arxiv_version: hep-th/9801138v1 · doi: 10.48550/arxiv.hep-th/9801138 · pith_short_12: EE7RB6MP6Z5O · pith_short_16: EE7RB6MP6Z5O4YOI · pith_short_8: EE7RB6MP

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/EE7RB6MP6Z5O4YOI2VWBDA473P \
  | 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: 213f10f98ff67aee61c8d56c11839fdbd348362cbd38c7d7ad3ea96bcfbc2a08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e432f13f34a5bf553345be9940200ebbec5af637b18bd73af997eb02a89a4d47",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1998-01-20T13:18:21Z",
    "title_canon_sha256": "992c7dfa6616b46cf9cf0123e7014324652cfdcbd7676452046aeb0143bbd4b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9801138",
    "kind": "arxiv",
    "version": 1
  }
}