Pith Number

pith:6ZIEDSGE

pith:2014:6ZIEDSGEVHS3OCOQOOBZCCLTNK

not attested not anchored not stored refs pending

A spectroscopy approach to measure the gravitational mass of antihydrogen

A. Lambrecht, A. Yu. Voronin, E.A. Kupriyanova, G. Dufour, O.D. Dalkarov, P. Debu, P.Froelich, S. Reynaud, V.V. Nesvizhevsky

arxiv:1403.4783 v1 · 2014-03-19 · 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{6ZIEDSGEVHS3OCOQOOBZCCLTNK}

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	2026-05-18T02:27:44.688805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f65041c8c4a9e5b709d073839109736a9d650f95b92673bd521ead418227e91d

Aliases

arxiv: 1403.4783 · arxiv_version: 1403.4783v1 · doi: 10.48550/arxiv.1403.4783 · pith_short_12: 6ZIEDSGEVHS3 · pith_short_16: 6ZIEDSGEVHS3OCOQ · pith_short_8: 6ZIEDSGE

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/6ZIEDSGEVHS3OCOQOOBZCCLTNK \
  | 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: f65041c8c4a9e5b709d073839109736a9d650f95b92673bd521ead418227e91d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f29e1eb05f4318348db19c8a1aea7f54cf3f5928eb8cf7cad27ba7eef5eb3f91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2014-03-19T12:17:43Z",
    "title_canon_sha256": "48825a0e24cc212d9b993111108a1a3f83fd991930796849eb048589b34861b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4783",
    "kind": "arxiv",
    "version": 1
  }
}