OpenTechnical

OT-2026-000086176

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000086176) never changes.

Identity and time

Publication numberOT-2026-000086176 · never reused
Internal UUID01a0ae99-e82c-7e0e-b0cf-31ca7372d272 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086176
StatusPUBLIC

Content hashes

Canonical text5da0f808456530e393bf94da086f089b247f4495c8464541c102c5f07d5cc807
Markdown8f841e40c2f20eadd3db43a8ac91f814894fadb0c05e86050cbe0f8ca02df355
PDF
Publication pagebe057917dc887bd5270189861810685ec97b902678230d3c0c2c63b071eea962
Manifestf9cfe9f6079b47dfa50b9220f6dc7c2a4d5654a98bd685185140431659124d2e

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
SignatureDdbZioXvhntPx4qU8dCKh9bMOsAF2ROxCu8FeCxB6BJ7oYs/opFuvmuJMGETVhyHXZmJB8LUsw32p4GtIn2YAQ==
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

2026-09-17T09:53:51.065564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086176
observed be057917dc887bd5270189861810685e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.048312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086176/manifest.json
observed f9cfe9f6079b47dfa50b9220f6dc7c2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.032071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086176/publication.md
observed 8f841e40c2f20eadd3db43a8ac91f814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.014974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086176/publication.txt
observed 5da0f808456530e393bf94da086f089b...
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.