Pith Number

pith:7TOTBWND

pith:2015:7TOTBWNDORBF2KS6DJUNF2Y6BG

not attested not anchored not stored refs pending

Measuring the Earth's gravity field with cold atom interferometers

Christian Siemes, Luca Massotti, Olivier Carraz, Pierluigi Silvestrin, Roger Haagmans

arxiv:1506.03989 v1 · 2015-06-12 · physics.atom-ph · physics.ins-det · quant-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{7TOTBWNDORBF2KS6DJUNF2Y6BG}

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	2026-05-18T01:51:18.600622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcdd30d9a374425d2a5e1a68d2eb1e098614d5174f25bf1c40ee1a3e0a969b87

Aliases

arxiv: 1506.03989 · arxiv_version: 1506.03989v1 · doi: 10.48550/arxiv.1506.03989 · pith_short_12: 7TOTBWNDORBF · pith_short_16: 7TOTBWNDORBF2KS6 · pith_short_8: 7TOTBWND

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/7TOTBWNDORBF2KS6DJUNF2Y6BG \
  | 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: fcdd30d9a374425d2a5e1a68d2eb1e098614d5174f25bf1c40ee1a3e0a969b87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "958dca8c95c3879a7e2f4ebad18843836701d2f7a15e8518ca1613f38047b640",
    "cross_cats_sorted": [
      "physics.ins-det",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2015-06-12T11:36:37Z",
    "title_canon_sha256": "a6cabca20072f5d92ee33a323e21ec742ea88d373ef44623721b315af19f86c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03989",
    "kind": "arxiv",
    "version": 1
  }
}