Pith Number

pith:TIL6IGBG

pith:2019:TIL6IGBGKJF22K2C5HEDP6L3Y7

not attested not anchored not stored refs pending

Probing quantum gravity at low energies

Geoff Beck, Justine Tarrant, Sergio Colafrancesco

arxiv:1902.02550 v1 · 2019-02-07 · astro-ph.CO · 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{TIL6IGBGKJF22K2C5HEDP6L3Y7}

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	2026-05-17T23:54:32.906502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a17e41826524bad2b42e9c837f97bc7ed2d5456659f7033d22503cc354a87a7

Aliases

arxiv: 1902.02550 · arxiv_version: 1902.02550v1 · doi: 10.48550/arxiv.1902.02550 · pith_short_12: TIL6IGBGKJF2 · pith_short_16: TIL6IGBGKJF22K2C · pith_short_8: TIL6IGBG

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/TIL6IGBGKJF22K2C5HEDP6L3Y7 \
  | 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: 9a17e41826524bad2b42e9c837f97bc7ed2d5456659f7033d22503cc354a87a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f35d8504a77524a4428d7cea037ebf99542057c2b985be9d010e84420ed9c601",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-02-07T10:13:00Z",
    "title_canon_sha256": "0ee720ce128d3b1c07e45546e5ac6f8b29230eb5f77eb6cf49edeebc44f34cab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02550",
    "kind": "arxiv",
    "version": 1
  }
}