Pith Number

pith:MR2Y5FHA

pith:2021:MR2Y5FHACOPDPMQG2JUF5J55RD

not attested not anchored not stored refs pending

FPGA-based low-cost synchronized fiber network for experimental setups in space

Holger Blume, Thijs Wendrich, Tim Oberschulte

arxiv:2109.11638 v1 · 2021-09-23 · 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{MR2Y5FHACOPDPMQG2JUF5J55RD}

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	2026-07-05T03:53:05.211757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64758e94e0139e37b206d2685ea7bd88f89c62db809e25071a0132f58f9abde0

Aliases

arxiv: 2109.11638 · arxiv_version: 2109.11638v1 · doi: 10.48550/arxiv.2109.11638 · pith_short_12: MR2Y5FHACOPD · pith_short_16: MR2Y5FHACOPDPMQG · pith_short_8: MR2Y5FHA

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/MR2Y5FHACOPDPMQG2JUF5J55RD \
  | 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: 64758e94e0139e37b206d2685ea7bd88f89c62db809e25071a0132f58f9abde0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba05298d2a5edd16f203dabdeb8e6b78b6da9e07ff4f18c1ca1e70bdef859b80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2021-09-23T20:42:50Z",
    "title_canon_sha256": "8c04ddad55784d566cde3bb56cd9fd10bdb1e22e9dfe0633efef70f5b38dc127"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.11638",
    "kind": "arxiv",
    "version": 1
  }
}