OpenTechnical

OT-2026-000090365

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, sustained 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-2026-000090365) never changes.

Identity and time

Publication numberOT-2026-000090365 · never reused
Internal UUID01a0ae9c-7f2d-7b30-8d83-b4d3b4d4222c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090365
StatusPUBLIC

Content hashes

Canonical text5b4cdc8835bec09f14c4ee8f4fe48e9d55d92d86550cb9f06503ac9157a299e3
Markdowncd67d0aab655d63f2309cca95439e52a46a36dfcc2d147f4f662a8f34f44dd95
PDF
Publication page4d90334cdecb28a6eae6a210bc867021404446f28bc82911635037ddfdfe3da3
Manifest07fdf69240794f42ff15cb5399cfa55f4e93d6167fbf0db189db5b00d698f9a2

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
SignaturerBc/yF5ZMgoxFsl3SvIsJv8oarbG8jlL5PbQwbQnCwahPOKLdTIIDtXE7w6z+zwczWUAJWe3LuOfvYVWCK0ACQ==
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

2026-09-17T09:44:27.986396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090365
observed 4d90334cdecb28a6eae6a210bc867021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:27.969043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090365/manifest.json
observed 07fdf69240794f42ff15cb5399cfa55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:27.952754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090365/publication.md
observed cd67d0aab655d63f2309cca95439e52a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:27.935668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090365/publication.txt
observed 5b4cdc8835bec09f14c4ee8f4fe48e9d...
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.