Pith Number

pith:XRPVC3TA

pith:2014:XRPVC3TAIBILXZOKEEBWWC2ZJV

not attested not anchored not stored refs pending

Quantum Gravity for Dummies

Deepak Vaid

arxiv:1402.2757 v1 · 2014-02-12 · 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{XRPVC3TAIBILXZOKEEBWWC2ZJV}

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	2026-05-18T02:59:17.364342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc5f516e604050bbe5ca21036b0b594d5eeb008dd8a178f485ab137dbe284ebd

Aliases

arxiv: 1402.2757 · arxiv_version: 1402.2757v1 · doi: 10.48550/arxiv.1402.2757 · pith_short_12: XRPVC3TAIBIL · pith_short_16: XRPVC3TAIBILXZOK · pith_short_8: XRPVC3TA

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/XRPVC3TAIBILXZOKEEBWWC2ZJV \
  | 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: bc5f516e604050bbe5ca21036b0b594d5eeb008dd8a178f485ab137dbe284ebd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "440a890625e359fb27a44ac739fe159c5ede73b9f51cfc742442f5d7596522da",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2014-02-12T08:20:56Z",
    "title_canon_sha256": "1990d2484a467f0e988321a855a0e15027a6d21970bd1431a51a22c8ea5b7b7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2757",
    "kind": "arxiv",
    "version": 1
  }
}