OpenTechnical

OT-2026-000076165

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, pulsed 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-2026-000076165) never changes.

Identity and time

Publication numberOT-2026-000076165 · never reused
Internal UUID01a0ae94-6a6f-758a-b1dd-4ade8017e499 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076165
StatusPUBLIC

Content hashes

Canonical text3d92659a7c055f162bae84a137719e25bcb5395ba58cde38d0267ac3c4b2e879
Markdown86525751d489fde6be8eceb2bec6ac14623606eca9f62bcbee807547657cd526
PDF
Publication page41030bd0c318754367d908851ad2a1d59bfe40eb06af0b37a7d00218fc3c1233
Manifest7f2f96eeb2e6bba7ec52db7f1fcd725c397f4661eb813ecb2c90515469200d58

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
Signaturelq10TvdKyO7mey6NvuYuSUwyNvICVMWq9XCkkUXjiWNuX6YWgMmSH8vzVTtl7LHikFTodQTJ2vzXWVKynl2RDw==
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

2026-09-17T10:11:22.969628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076165
observed 41030bd0c318754367d908851ad2a1d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:22.950953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076165/manifest.json
observed 7f2f96eeb2e6bba7ec52db7f1fcd725c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:22.807005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076165/publication.md
observed 86525751d489fde6be8eceb2bec6ac14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:22.784166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076165/publication.txt
observed 3d92659a7c055f162bae84a137719e25...
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.