OpenTechnical

OT-2026-000090077

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, manifold 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-2026-000090077) never changes.

Identity and time

Publication numberOT-2026-000090077 · never reused
Internal UUID01a0ae9c-428e-7a50-8cb1-56883faf0b9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090077
StatusPUBLIC

Content hashes

Canonical text04ae38b2bc935a3823dd8b5e58137cc9a429aa08a39a177f5bf30174cbcc0841
Markdown210558311e61c3dec1d2d8322f50026aaee753dd2b82d4c32bd8148c6768f841
PDF
Publication page1926fe6f7e812795893500c0ebcb29fb6d5c5824054ea0188b95979dfc43d858
Manifest189c4baad3b5d0ec713d99bd2e257c59078848f8417924cafb64f1ec3a8d45ba

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
Signaturee18pSgu76h9KtFqbwcH2eMpjImJA+mWJcwL/4yfZ8T/2ioQwUBXLfsbSLkjyaViFFkIVhxeiiw/Qlv2BxRZLDg==
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

2026-09-17T09:45:29.741848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090077
observed 1926fe6f7e812795893500c0ebcb29fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:29.720255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090077/manifest.json
observed 189c4baad3b5d0ec713d99bd2e257c59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:29.701229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090077/publication.md
observed 210558311e61c3dec1d2d8322f50026a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:29.683688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090077/publication.txt
observed 04ae38b2bc935a3823dd8b5e58137cc9...
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.