OpenTechnical

OT-2026-000076699

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed 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-2026-000076699) never changes.

Identity and time

Publication numberOT-2026-000076699 · never reused
Internal UUID01a0ae94-b06f-7615-868b-7e167e922931 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076699
StatusPUBLIC

Content hashes

Canonical text414c24cad7085bee4cb5a8f1d081e860ba45d216952c7be6700b5d340224e12d
Markdown7c9ffded10fb75d00e3d4489db5838e587579a61dc8c52b483c05f4578ad7f30
PDF
Publication page63087f4651224b7933d498f697a2ae93a1a4abab007a80ce86240dc056886ffb
Manifestb6372e8c64a80d2a9fb1f218dee4cfce824f292d4ba9b1e6d5c6e5bd3395a8a3

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
Signature1RiuUMXvQbISuG1KWK95buaN+BtnGM4oVhzhFsFV6I1cLMH5vRjdk+CnN1YufBHinHmfWgsJiRm/6o+ou/E7Ag==
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

2026-09-17T10:09:27.791442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076699
observed 63087f4651224b7933d498f697a2ae93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.769810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076699/manifest.json
observed b6372e8c64a80d2a9fb1f218dee4cfce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.751281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076699/publication.md
observed 7c9ffded10fb75d00e3d4489db5838e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.732235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076699/publication.txt
observed 414c24cad7085bee4cb5a8f1d081e860...
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.