OpenTechnical

OT-2026-000071341

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000071341) never changes.

Identity and time

Publication numberOT-2026-000071341 · never reused
Internal UUID01a0ae91-e0ec-7090-9fae-987882c77fe4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071341
StatusPUBLIC

Content hashes

Canonical text4dcb0829fbbc77489eb6610f508d4c5636e20a5e636c0ca390438f70443b78ef
Markdownb6f1df2a3f4a10f57d107c781bc7f06f1dbe9b8412c517f0c632ebb2b884c2ac
PDF
Publication pageac607f714ae96ba891fffb112666786712aca9a2d7c6fe57cb92d15866943e3a
Manifest7c3aa2c8eea6030a5ff9b601f8491d06be6db701110d8ba25c807c56c1138519

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
SignatureDWgK/mejWvcbO0jW1WI/f2fjkuPX+IbyCGFfYaPzy0nlIVQt8JurfI16uihdLl4iO29sl4+3d3RK4zB/S7ycCg==
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

2026-09-17T10:24:56.573993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071341
observed ac607f714ae96ba891fffb1126667867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.555670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071341/manifest.json
observed 7c3aa2c8eea6030a5ff9b601f8491d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.538908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071341/publication.md
observed b6f1df2a3f4a10f57d107c781bc7f06f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.520900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071341/publication.txt
observed 4dcb0829fbbc77489eb6610f508d4c56...
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.