OpenTechnical

OT-2026-000076745

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-2026-000076745) never changes.

Identity and time

Publication numberOT-2026-000076745 · never reused
Internal UUID01a0ae94-b06f-7a6c-a245-b776357b42aa · 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-2026-000076745
StatusPUBLIC

Content hashes

Canonical textefcd253e04c4a539f1a5be638940c0da5e69a05cab40ab3ab9975081e8271f61
Markdownd08e4411dca5a31723c8833f5d335872ca3bb2e7ec0d3aa4b1cce343df936d86
PDF
Publication page6606598d902f295216d592626fbfd899385bc183e093d10439d8ad6cf7a7eb54
Manifest6b45790620be1a8b52be6f1156aa1cab75819dcd08245516a11252bba2248216

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
SignaturegH2JYtFWT7iV8hoO4owG8qClwOU+Zy81yRZHWMc+17Eblig1Nxkfv+WYc60F3sG8k5i7M7Zqnj3u5z7MwnB5Cw==
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

2026-09-17T10:09:35.617349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076745
observed 6606598d902f295216d592626fbfd899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:35.592147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076745/manifest.json
observed 6b45790620be1a8b52be6f1156aa1cab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:35.568907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076745/publication.md
observed d08e4411dca5a31723c8833f5d335872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:35.546403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076745/publication.txt
observed efcd253e04c4a539f1a5be638940c0da...
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.