OpenTechnical

OT-2026-000064151

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single 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-2026-000064151) never changes.

Identity and time

Publication numberOT-2026-000064151 · never reused
Internal UUID01a0ae8d-a45f-7d7c-ab2f-ce8274b8074c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064151
StatusPUBLIC

Content hashes

Canonical text98a3fef0acc7f15d893070d4c04489e900e645b2e176da1417e5b1a9d744f648
Markdown18ababf556aca298b7dcef7befb98b7a535977845c201faab672029cb9a1204e
PDF
Publication page5772b82adaa85e928eba947f3fc08308b790296e5086cc862993eb5502f5f255
Manifest60547671ce6e97da6df9ecd0715e81c2f4c74ad590f1d0da82bad37f60355c22

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
SignaturewNMfBAPUNaXAxE2XtETgpXB9wWzM2aCuOk5Voju1L2kn8nQJ+81Zo2DFo88IHveEdy30+Cu/3NAgHBDBYKZtAw==
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

2026-09-17T10:36:09.467463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064151
observed 5772b82adaa85e928eba947f3fc08308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:09.448658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064151/manifest.json
observed 60547671ce6e97da6df9ecd0715e81c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:09.429521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064151/publication.md
observed 18ababf556aca298b7dcef7befb98b7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:09.411467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064151/publication.txt
observed 98a3fef0acc7f15d893070d4c04489e9...
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.