Pith Number

pith:GLYG26J2

pith:2014:GLYG26J2236C5KC3FFBQ7GCK25

not attested not anchored not stored refs pending

Loop quantum gravity, twistors, and some perspectives on the problem of time

Simone Speziale

arxiv:1404.4167 v1 · 2014-04-16 · gr-qc · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GLYG26J2236C5KC3FFBQ7GCK25}

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	2026-05-18T01:43:29.496113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32f06d793ad6fc2ea85b29430f984ad76a5702c06f3e908d2df4736096ec9e1a

Aliases

arxiv: 1404.4167 · arxiv_version: 1404.4167v1 · doi: 10.48550/arxiv.1404.4167 · pith_short_12: GLYG26J2236C · pith_short_16: GLYG26J2236C5KC3 · pith_short_8: GLYG26J2

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/GLYG26J2236C5KC3FFBQ7GCK25 \
  | 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: 32f06d793ad6fc2ea85b29430f984ad76a5702c06f3e908d2df4736096ec9e1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45ffa6d0594cbe97ea2a6c2a73e13bf4cc75ee2607cbf006711826ede4dd1bda",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-04-16T08:45:16Z",
    "title_canon_sha256": "bd44c0e8ce0ed286b015d656140ab8f4ceb467f67d24fe7275ab61b44711d0f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4167",
    "kind": "arxiv",
    "version": 1
  }
}