Pith Number

pith:3AIW5SSP

pith:2018:3AIW5SSPBOBBVIP2A3XYHMFJ2M

not attested not anchored not stored refs pending

Simultaneous accurate determination of both gravity and its vertical gradient

Franck Pereira Dos Santos (SYRTE, K Weng (LNE - SYRTE), LNE - SYRTE), R. Caldani (LNE - SYRTE), S. Merlet (LNE - SYRTE)

arxiv:1812.09199 v1 · 2018-12-21 · physics.atom-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{3AIW5SSPBOBBVIP2A3XYHMFJ2M}

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	2026-05-17T23:52:03.535367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8116eca4f0b821aa1fa06ef83b0a9d33bd78835a71fb7c920d5a781de6202e7

Aliases

arxiv: 1812.09199 · arxiv_version: 1812.09199v1 · doi: 10.48550/arxiv.1812.09199 · pith_short_12: 3AIW5SSPBOBB · pith_short_16: 3AIW5SSPBOBBVIP2 · pith_short_8: 3AIW5SSP

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/3AIW5SSPBOBBVIP2A3XYHMFJ2M \
  | 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: d8116eca4f0b821aa1fa06ef83b0a9d33bd78835a71fb7c920d5a781de6202e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8198552537dd2c0e0a5b99d302de234897d60b84d2536edc36395ba05b8ef8df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-12-21T15:37:59Z",
    "title_canon_sha256": "f1fcd3cc76a42c6166b09ce4ffa38d4f5ab005c24352da6207cf20eb43d64972"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09199",
    "kind": "arxiv",
    "version": 1
  }
}