Pith Number

pith:A7Q2OXZQ

pith:2015:A7Q2OXZQHDNDEFIYCPM5CQRMNO

not attested not anchored not stored refs pending

Tests of Sapphire Crystals Produced with Different Growth Processes for Ultra-stable Microwave Oscillators

Benoit Dubois, Christophe Fluhr, Serge Grop, Vincent Giordano

arxiv:1504.02711 v1 · 2015-04-10 · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A7Q2OXZQHDNDEFIYCPM5CQRMNO}

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	2026-05-18T01:22:40.601275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07e1a75f3038da32151813d9d1422c6b800af0b9c5330ee1fae8a351e2d0aeea

Aliases

arxiv: 1504.02711 · arxiv_version: 1504.02711v1 · doi: 10.48550/arxiv.1504.02711 · pith_short_12: A7Q2OXZQHDND · pith_short_16: A7Q2OXZQHDNDEFIY · pith_short_8: A7Q2OXZQ

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/A7Q2OXZQHDNDEFIYCPM5CQRMNO \
  | 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: 07e1a75f3038da32151813d9d1422c6b800af0b9c5330ee1fae8a351e2d0aeea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "988921096caa38fdef5b54f181e89b147b9363a6c7ed406d64068a5ddb00b9cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2015-04-10T15:28:31Z",
    "title_canon_sha256": "8286bb89dd048bfa5653e1cf72a6e4eb317c9bb9a1c6b9367ad5310197366905"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02711",
    "kind": "arxiv",
    "version": 1
  }
}