OpenTechnical

OT-2026-000077467

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000077467) never changes.

Identity and time

Publication numberOT-2026-000077467 · never reused
Internal UUID01a0ae94-f50a-75d7-a9a6-d8cfb54b5144 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077467
StatusPUBLIC

Content hashes

Canonical textdd1fb181b3e1141054fc35c5e32eaf542f4ab41f4a969e6d4541a7e29d17c4ef
Markdown2697d1121870c81a8c378b1f39d942afb0955aa91ce70399577ff9939e8546a8
PDF
Publication page95e39413ae4d350f6ebe3bc94110dc2376601234432bc05b09c33705325d5b78
Manifest832f4d5bb6773283da6e5940897dcc93f2b974626b13bba4846b926f3f9476c1

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
Signature9t9rbMYhfQhzq5myY6VK9rKASR5zMe7pPMcaGc0FJzaPqBmGn4pfn5NPuFoq2oyg+TpGz8YY0QO9x9ClfNcFCA==
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

2026-09-17T10:09:09.301520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077467
observed 95e39413ae4d350f6ebe3bc94110dc23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:09.281698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077467/manifest.json
observed 832f4d5bb6773283da6e5940897dcc93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:09.262306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077467/publication.md
observed 2697d1121870c81a8c378b1f39d942af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:09.242503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077467/publication.txt
observed dd1fb181b3e1141054fc35c5e32eaf54...
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.