OpenTechnical

OT-2026-000068972

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000068972) never changes.

Identity and time

Publication numberOT-2026-000068972 · never reused
Internal UUID01a0ae90-6dcd-7b67-8cea-6b37e520e0d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068972
StatusPUBLIC

Content hashes

Canonical textd5538ddb13ca0e237ab5399ce0c2396e5ae60987c9a4439ba4425b0e778b8b53
Markdown61fec746c48e641296fac1ed1efc15acb9af0daa35b342970110f43e4c736c9b
PDF
Publication page3d40d5aadc25ab14abccdd5e1a48fdf61ee9e35919c4283ab31acc9e44d0f1ca
Manifestc0434cb590c9d94433159ef829b053bfdf967149e8a428754cb5c37e3dbfb059

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
Signature82JZVJCDxnDLDFeIm5yRhiOM1g1781RMb3jFjSRTna2Mv4FqPe/VndGgi2NqFTwRkZTp4CsX8vVwrExrz6QOCQ==
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

2026-09-17T10:28:48.699884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068972
observed 3d40d5aadc25ab14abccdd5e1a48fdf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:48.682166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068972/manifest.json
observed c0434cb590c9d94433159ef829b053bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:48.664600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068972/publication.md
observed 61fec746c48e641296fac1ed1efc15ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:48.647583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068972/publication.txt
observed d5538ddb13ca0e237ab5399ce0c2396e...
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.