Pith Number

pith:M552X2I3

pith:2021:M552X2I3CFOUEZ3QO73EDCAO37

not attested not anchored not stored refs pending

A Nineteen Day Earth Tide Measurement with a MEMS Gravimeter

A. Noack, A. Prasad, D. J. Paul, G. D. Hammond, K. Anastasiou, K. Toland, P. R. Utting, R. P. Middlemiss, S. G. Bramsiepe

arxiv:2109.13715 v1 · 2021-09-28 · physics.ins-det · physics.app-ph · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M552X2I3CFOUEZ3QO73EDCAO37}

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	2026-07-05T03:18:05.724515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

677babe91b115d42677077f641880edfd2c06b22400fa7ed26084ee473597ff6

Aliases

arxiv: 2109.13715 · arxiv_version: 2109.13715v1 · doi: 10.48550/arxiv.2109.13715 · pith_short_12: M552X2I3CFOU · pith_short_16: M552X2I3CFOUEZ3Q · pith_short_8: M552X2I3

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/M552X2I3CFOUEZ3QO73EDCAO37 \
  | 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: 677babe91b115d42677077f641880edfd2c06b22400fa7ed26084ee473597ff6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "428fc252d0c3067bb00a79375543124b76386ec136f32e0b35a1ef8c38a81004",
    "cross_cats_sorted": [
      "physics.app-ph",
      "physics.geo-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2021-09-28T13:32:15Z",
    "title_canon_sha256": "e64d2552e57df37b55bf4d538dafbaaba30ee3b79456f77191f775f73927ec3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.13715",
    "kind": "arxiv",
    "version": 1
  }
}