OpenTechnical

OT-2026-000097321

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000097321) never changes.

Identity and time

Publication numberOT-2026-000097321 · never reused
Internal UUID01a0aea1-01cb-7a4c-8d08-4dde045a1049 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097321
StatusPUBLIC

Content hashes

Canonical text8300956ef313c5a4b903d17c7b887a670dbb0566685ac89d8b19dffbb5831498
Markdown2080f445d3337230e793ee5bf02c470e0259e0168a35bec1b880b4110f23937b
PDF
Publication page0365bfb797c79b7c07e85f7e8126fd965c9bca08d92d39e394e26bd8d091d1b1
Manifest9b6edde37770d07b65bf0355611779f1c551a8ced4a3427fbb362e2b79723f9e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureVGSvDpuGjVNqM1IvpgUAX5p1pOydff/lwfbEk1c4641RgqEbqIRAskUGNIdbtG0Bal1tOXOP+EI9Qdbx8tUFDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:35.145247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097321
observed 0365bfb797c79b7c07e85f7e8126fd96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:35.129511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097321/manifest.json
observed 9b6edde37770d07b65bf0355611779f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:35.113921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097321/publication.md
observed 2080f445d3337230e793ee5bf02c470e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:35.009769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097321/publication.txt
observed 8300956ef313c5a4b903d17c7b887a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.