Pith Number

pith:SCY6ODE3

pith:2007:SCY6ODE3FRGLN4OJMOHXFCNOO5

not attested not anchored not stored refs pending

What is Special About the Planck Mass?

C. Sivaram (1) ((1) Indian Institute of Astrophysics)

arxiv:0707.0058 v1 · 2007-06-30 · 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{SCY6ODE3FRGLN4OJMOHXFCNOO5}

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	2026-07-04T15:02:32.943651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90b1e70c9b2c4cb6f1c9638f7289ae77576bf77dff2d419d609c625cffb96351

Aliases

arxiv: 0707.0058 · arxiv_version: 0707.0058v1 · doi: 10.48550/arxiv.0707.0058 · pith_short_12: SCY6ODE3FRGL · pith_short_16: SCY6ODE3FRGLN4OJ · pith_short_8: SCY6ODE3

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/SCY6ODE3FRGLN4OJMOHXFCNOO5 \
  | 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: 90b1e70c9b2c4cb6f1c9638f7289ae77576bf77dff2d419d609c625cffb96351

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa3c81ed404053a433809a325c8e272ffb5f020121aacef79416d8c85577d02e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-06-30T11:34:54Z",
    "title_canon_sha256": "5182f32cfa5cc1562a20e72ea27428f9e9da003befb23b5290a314ab470fbfaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.0058",
    "kind": "arxiv",
    "version": 1
  }
}