OpenTechnical

OT-2026-000077127

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000077127) never changes.

Identity and time

Publication numberOT-2026-000077127 · never reused
Internal UUID01a0ae94-f507-7e46-8221-5470619b701f · 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-2026-000077127
StatusPUBLIC

Content hashes

Canonical text2e323ae22993da93796662d8c294b65b1cb506749bf3020931a93cbe40b33e39
Markdown3fde9aafbe47425869a06777ee1cc7eab325268c716aa7ecfe8fe14d79f2cbd1
PDF
Publication page2618e740985a25314c65cc85272c92154cd57753cc044c842e030a6df17c933b
Manifest92362429aaec96112117b9184b9e6fa8ecb8cb58a4b83e0dfc2db0e79f722bed

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
SignaturelAU9VZYNOtrgoL4W0Gu+lqDRXVlcnpJEvhG0coZIh6OSD2TibP3PH3fj09P+QncZpNjpWwwjDYnR9eZunOeOCQ==
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

2026-09-17T10:11:39.757347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077127
observed 2618e740985a25314c65cc85272c9215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:39.737750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077127/manifest.json
observed 92362429aaec96112117b9184b9e6fa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:39.718508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077127/publication.md
observed 3fde9aafbe47425869a06777ee1cc7ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:39.694763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077127/publication.txt
observed 2e323ae22993da93796662d8c294b65b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.965027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077127
observed 2618e740985a25314c65cc85272c9215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.946574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077127/manifest.json
observed 92362429aaec96112117b9184b9e6fa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.927230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077127/publication.md
observed 3fde9aafbe47425869a06777ee1cc7ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.907168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077127/publication.txt
observed 2e323ae22993da93796662d8c294b65b...
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.