OpenTechnical

OT-2026-000084353

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000084353) never changes.

Identity and time

Publication numberOT-2026-000084353 · never reused
Internal UUID01a0ae98-5b62-76dd-b593-a96bb8a7d337 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084353
StatusPUBLIC

Content hashes

Canonical text4b90b011f67c9a867cd87b5d2fc48438ba6d7009fa1d0e0a1950d90a8dbf3496
Markdownea2b9f68666bb9c51d6e50a5da60e79873f146efb55f25f09b9c9c220ce06b5b
PDF
Publication pageb2250cdedd7210f74622fcbbb0d0d6c881815f1eabf161d92b7aa040a1149666
Manifest28695e6cb6a2a36f38972c06da4195fc1b84f03964da2089b2938cc2c5253cde

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
SignatureM6hpfo7lTN93E4KtOQMdfYOSyIxgMqSnhO7kuWOSCutT4pDRKilHEFTiUWhdKAXG3WZw89/WYLRqtmYO2zvpCQ==
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

2026-09-17T09:56:17.165481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084353
observed b2250cdedd7210f74622fcbbb0d0d6c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:17.147269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084353/manifest.json
observed 28695e6cb6a2a36f38972c06da4195fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:17.129267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084353/publication.md
observed ea2b9f68666bb9c51d6e50a5da60e798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:17.112474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084353/publication.txt
observed 4b90b011f67c9a867cd87b5d2fc48438...
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.