Pith Number

pith:TOFJZNAP

pith:2016:TOFJZNAPNYFFF6K7EROSWP2N2H

not attested not anchored not stored refs pending

General Relativity for Pedestrians -- First 6 lectures

Patrick Das Gupta

arxiv:1604.00951 v4 · 2016-03-14 · physics.pop-ph · 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{TOFJZNAPNYFFF6K7EROSWP2N2H}

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	2026-05-18T00:33:39.753978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b8a9cb40f6e0a52f95f245d2b3f4dd1e045dc4b34c3d93b7537ad76d6dbab5e

Aliases

arxiv: 1604.00951 · arxiv_version: 1604.00951v4 · doi: 10.48550/arxiv.1604.00951 · pith_short_12: TOFJZNAPNYFF · pith_short_16: TOFJZNAPNYFFF6K7 · pith_short_8: TOFJZNAP

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/TOFJZNAPNYFFF6K7EROSWP2N2H \
  | 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: 9b8a9cb40f6e0a52f95f245d2b3f4dd1e045dc4b34c3d93b7537ad76d6dbab5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da9a49bb14eeeaf48382455798424890f9691b2953aac6dac3859b606368b912",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2016-03-14T15:50:35Z",
    "title_canon_sha256": "be97b0a59ddd0407321ad0d1a327161791ea87b685006785ce45db6ff9ef07d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00951",
    "kind": "arxiv",
    "version": 4
  }
}