Pith Number

pith:UMEHPNZY

pith:2017:UMEHPNZYJTSZYDK3ORANQFEG7W

not attested not anchored not stored refs pending

Testing different approaches to quantum gravity with cosmology: An overview

Aur\'elien Barrau

arxiv:1705.01597 v1 · 2017-05-03 · gr-qc · astro-ph.CO · hep-ph · 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{UMEHPNZYJTSZYDK3ORANQFEG7W}

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	2026-05-18T00:41:24.052987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a30877b7384ce59c0d5b7440d81486fdbca830ff47186815d0e83e5f2b33007d

Aliases

arxiv: 1705.01597 · arxiv_version: 1705.01597v1 · doi: 10.48550/arxiv.1705.01597 · pith_short_12: UMEHPNZYJTSZ · pith_short_16: UMEHPNZYJTSZYDK3 · pith_short_8: UMEHPNZY

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/UMEHPNZYJTSZYDK3ORANQFEG7W \
  | 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: a30877b7384ce59c0d5b7440d81486fdbca830ff47186815d0e83e5f2b33007d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc70fafbd548a9366d77cea74461051a6a58c8f84917b6a9fa66e3a7c33e8d94",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-05-03T19:50:08Z",
    "title_canon_sha256": "5f4756fc9c0b4aaaa3b97b64f45b8df0956d6e314648854570d4ba951c0f7ee2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01597",
    "kind": "arxiv",
    "version": 1
  }
}