OpenTechnical

OT-2026-000022577

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000022577) never changes.

Identity and time

Publication numberOT-2026-000022577 · never reused
Internal UUID01a0ae6f-f4ff-7405-8f1e-32ada8f4e132 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022577
StatusPUBLIC

Content hashes

Canonical text02574b3e6291e9cebc7cfdf9b522be44067507c9b62acc48502985fb57d9edb6
Markdown166d93d8cef6303ecf90d9ce5cf40cb38ac42d0f1c2e98da7a15f62fb0820232
PDF
Publication page9f5fa09eb9e5885a4cc22efc979eadd4dce4bdfeefbae15c9f43f28137045b22
Manifeste22b499504ed916185e6cd27393d3ffb681484725bed29b3ed616a4a6996d5c1

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
SignatureCVRqomrjR19PK09Na42PJ8TlKCd/MvQFAS4sMXZIQ073YFFNJTKMNKOY8ng33S7J/yHUe0Q7fWuTKjb7GbLhBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:54:01.091491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022577
observed 9f5fa09eb9e5885a4cc22efc979eadd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:01.073991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022577/manifest.json
observed e22b499504ed916185e6cd27393d3ffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:01.055673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022577/publication.md
observed 166d93d8cef6303ecf90d9ce5cf40cb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:01.036765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022577/publication.txt
observed 02574b3e6291e9cebc7cfdf9b522be44...
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.