OpenTechnical

OT-2026-000075351

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold 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-2026-000075351) never changes.

Identity and time

Publication numberOT-2026-000075351 · never reused
Internal UUID01a0ae93-f201-756b-aa9b-8fc527a366bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075351
StatusPUBLIC

Content hashes

Canonical texta37c008752fc3a6a7cb205201b743597e5b51e275e03b05114c72e3a264a08f0
Markdown7e5879d13199a979517845d0235f7167f8cb2bf3c039ec82ff5b98a5a55fd651
PDF
Publication pagee05097cc5e6f280cd640aac10082000c55f87264e5df28e92b2a9b44ec41c9aa
Manifest22ec61bb74cfa97d260719020b88c625acd1d6a5b444a0b15e37b4c90da8dc35

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
SignatureLLEb+8eKmOxMyWRH8AbqkgSqH379zwJpO+rJ8oQccUNfawF/jmX5Epei32yAD+aRVLgan2HCgfqUXCGRlBt/Dg==
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

2026-09-17T10:17:18.303852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075351
observed e05097cc5e6f280cd640aac10082000c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:18.286323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075351/manifest.json
observed 22ec61bb74cfa97d260719020b88c625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:18.268010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075351/publication.md
observed 7e5879d13199a979517845d0235f7167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:18.248531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075351/publication.txt
observed a37c008752fc3a6a7cb205201b743597...
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.