Pith Number

pith:HIVS6AB3

pith:2021:HIVS6AB3D4T4KTXGDO3COOALZ5

not attested not anchored not stored refs pending

Easing the Hubble constant tension?

J. Ambjorn, Y. Watabiki

arxiv:2111.05087 v3 · 2021-11-09 · gr-qc · astro-ph.CO · 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{HIVS6AB3D4T4KTXGDO3COOALZ5}

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	2026-07-05T04:21:58.476245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a2b2f003b1f27c54ee61bb627380bcf470f5221948f3e6bcbe8079ff8924ff4

Aliases

arxiv: 2111.05087 · arxiv_version: 2111.05087v3 · doi: 10.48550/arxiv.2111.05087 · pith_short_12: HIVS6AB3D4T4 · pith_short_16: HIVS6AB3D4T4KTXG · pith_short_8: HIVS6AB3

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/HIVS6AB3D4T4KTXGDO3COOALZ5 \
  | 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: 3a2b2f003b1f27c54ee61bb627380bcf470f5221948f3e6bcbe8079ff8924ff4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec8335dc626e66adaac8a74027bc62339dc7129a91a7af2c5281510bcf5cac59",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-11-09T12:41:37Z",
    "title_canon_sha256": "b05e5b1ba0d201bf22eaf875bcdf4b551d6a507bfdd7f66ab2a02f16324a374f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.05087",
    "kind": "arxiv",
    "version": 3
  }
}