OpenTechnical

OT-2026-000086991

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000086991) never changes.

Identity and time

Publication numberOT-2026-000086991 · never reused
Internal UUID01a0ae9a-80a5-7483-9731-2b73a1be5130 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086991
StatusPUBLIC

Content hashes

Canonical textec2a0402971439c1be52d92be8a86874269ba8f8c6b0ee03c699d2b8f752c115
Markdown899693416d76f74635ebfff60eb3bacb6c275d7b81e43b3a2edfa460cc473041
PDF
Publication page0f87f0c4dcf4dbf65778a06c50d51801572237edca877bcd3566a85de2a745cd
Manifest11b2e0481942b17b6dd184eda1afb7568e55bed8b01df675d837256a2c699386

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
SignaturesWdMpOAOEoeIVGZnYvAaUHjKJ+zMiH+U9moYSdSDoNW5d2n/gb3mbkm65w71aoFzwdrr2acUytUXNv45A9w4CA==
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

2026-09-17T09:51:53.597190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086991
observed 0f87f0c4dcf4dbf65778a06c50d51801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.579434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086991/manifest.json
observed 11b2e0481942b17b6dd184eda1afb756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.561354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086991/publication.md
observed 899693416d76f74635ebfff60eb3bacb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.542021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086991/publication.txt
observed ec2a0402971439c1be52d92be8a86874...
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.