OpenTechnical

OT-2026-000072551

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000072551) never changes.

Identity and time

Publication numberOT-2026-000072551 · never reused
Internal UUID01a0ae92-89d8-7c78-853e-6ff2c838b70b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072551
StatusPUBLIC

Content hashes

Canonical text5f5339ff8559f6aa6661b49ed5b1314bb1c7c1620f117793a621ae3c0f04084b
Markdown4bf3736ea7b7fc1f914a4e758e865e2242cc79b13b993d19dedc2dbdb74fe827
PDF
Publication pageba09201e3abea98c67abba10734c3334f4a58e1eae9993d6c6dcf361936271ad
Manifest0591b570b84fb82d0ed322522b51b3e2589672e997581ec606a8dd687d2a8bc8

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
Signature89yri0+/AjKnGcC6OSig2JRTl+cC1xK+xx60vKpZLOUvOLmmLdAYjfybST+6mre25zlF6qatmkptj9ui7NE6Bg==
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

2026-09-17T10:22:22.947464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072551
observed ba09201e3abea98c67abba10734c3334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.930302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072551/manifest.json
observed 0591b570b84fb82d0ed322522b51b3e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.913441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072551/publication.md
observed 4bf3736ea7b7fc1f914a4e758e865e22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:22.895319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072551/publication.txt
observed 5f5339ff8559f6aa6661b49ed5b1314b...
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.