OpenTechnical

OT-2026-000081489

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, sustained blow-off before set-down

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-2026-000081489) never changes.

Identity and time

Publication numberOT-2026-000081489 · never reused
Internal UUID01a0ae96-f375-7585-ad94-d2fb7acd2eb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081489
StatusPUBLIC

Content hashes

Canonical text2c6171d2d5638b517f2ee7f29fc026a714b58859be51e82f6d7234d43e3277aa
Markdown8bd9694da73e61030c1c9ed030c7f6ddfc57d34f148b4f2d601209835a527838
PDF
Publication pageee801fe3cf0bf509bc52addf9ecb356103e86b3ac4125bb762d68d38121ceccd
Manifest93f195e66ba389fb6ce1f710940dbaafc3b2e849c8b9f216f1782bb429225c0b

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
SignatureuHpWt/6fcF2dJc74VqzHLmLR77FdMGraLxFIoVNmIMR0AXnvBxya4bM0ht1GoSrvKHY2l2HWAW3HqhFHRGV8Ag==
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

2026-09-17T10:01:39.502371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081489
observed ee801fe3cf0bf509bc52addf9ecb3561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:39.484136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081489/manifest.json
observed 93f195e66ba389fb6ce1f710940dbaaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:39.464819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081489/publication.md
observed 8bd9694da73e61030c1c9ed030c7f6dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:39.445642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081489/publication.txt
observed 2c6171d2d5638b517f2ee7f29fc026a7...
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.