OpenTechnical

OT-2026-000089688

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089688) never changes.

Identity and time

Publication numberOT-2026-000089688 · never reused
Internal UUID01a0ae9c-1a22-734e-84e9-eacb03486e0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089688
StatusPUBLIC

Content hashes

Canonical textadc5c54226c0919f376d4dffd073a4fd48b13b5e4962a4b32755a544835fdae3
Markdown04e7b4296fb15df04a22efd4a94ec14776afefd1f8f0049d2cc1d98ffc303440
PDF
Publication pagec3b194571dd09aa848a5ba6288365d11e58d95af5b9fa791993c48eac487435e
Manifest2feed7cc63c168150071ce3b7adf0a2e70115dc86a32baf89b2450236922984d

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
Signaturei/bc+Ub6rBRgr1NN8vcTsNc8UhI6FUJQsIHetQr/64WbMKo/5J6a2cvuiv3xi3jRlycA2rxR4djgH9niK6r+DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:41.203253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089688
observed c3b194571dd09aa848a5ba6288365d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.184077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089688/manifest.json
observed 2feed7cc63c168150071ce3b7adf0a2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.168036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089688/publication.md
observed 04e7b4296fb15df04a22efd4a94ec147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.151080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089688/publication.txt
observed adc5c54226c0919f376d4dffd073a4fd...
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.