OpenTechnical

OT-2026-000086691

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000086691) never changes.

Identity and time

Publication numberOT-2026-000086691 · never reused
Internal UUID01a0ae9a-2c99-7282-a54d-d078bf0a1c1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086691
StatusPUBLIC

Content hashes

Canonical text4188eaa976e31f779e3a747b84a063231d71001204a7323f836e31baae36d1d8
Markdown425f097f8ff2b3bca9d9437710fd7e88baa84f2adf40938392371b38ec61526c
PDF
Publication paged007d31a3f01505f04f33c5f770982f815fefdacdd3359f88d8204c1c998bc65
Manifest52badc60a69f06f88609e6202f7b662e0c2e9a737cc250d7580cf9057e2cb578

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
SignatureyTT756Z6kODi54EtHiFkb856tD8vSg/M/ZjTiyXe5OAcejcQ8fYHoO3AyoVhlT/oUQMqq5HipxzbkSPZdEJiAQ==
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

2026-09-17T09:52:33.628598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086691
observed d007d31a3f01505f04f33c5f770982f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.610375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086691/manifest.json
observed 52badc60a69f06f88609e6202f7b662e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.591491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086691/publication.md
observed 425f097f8ff2b3bca9d9437710fd7e88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.573179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086691/publication.txt
observed 4188eaa976e31f779e3a747b84a06323...
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.