OpenTechnical

OT-2026-000076751

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000076751) never changes.

Identity and time

Publication numberOT-2026-000076751 · never reused
Internal UUID01a0ae94-b06f-757f-ad28-98b91298610f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076751
StatusPUBLIC

Content hashes

Canonical text18985249cb930801a6e2409a07dcae855cf567d5fcf15a7461c101d5ca36a0eb
Markdown79bb971e9e254ae33084d6795f5e0b7767a80a48b48c0c612c070348f376ef5b
PDF
Publication page47e263d0f87ecb3bfcd56138d1b4b77e4b00be2ad1410db8c6b8daf00bbee82d
Manifest523c4d7f121ff5ec21a6d6033fe44b31f18898825e6d7cb07d083d0e80321761

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
Signaturem+voAb7ka/2yIzRzDdrZKfsT6o8610I5LLdwB8KIKmKg84Sbzvbr/Q70jLUZcc4Z5isMCUk09u0ZffGi8fj0AA==
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

2026-09-17T10:09:36.199419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076751
observed 47e263d0f87ecb3bfcd56138d1b4b77e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:36.180465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076751/manifest.json
observed 523c4d7f121ff5ec21a6d6033fe44b31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:36.160473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076751/publication.md
observed 79bb971e9e254ae33084d6795f5e0b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:36.141754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076751/publication.txt
observed 18985249cb930801a6e2409a07dcae85...
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.