OpenTechnical

OT-2026-000086181

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, sustained 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-2026-000086181) never changes.

Identity and time

Publication numberOT-2026-000086181 · never reused
Internal UUID01a0ae99-e82c-7945-9276-28156263de35 · 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-2026-000086181
StatusPUBLIC

Content hashes

Canonical text0a63e621a0072fbe01f676190b02e09521a4816a9825a8963c4d771eeaf4ade5
Markdownfa1dc7cbe55a1a1fee64e9bbb0509f156db9899af8bd576c19c3fca6450e6aa2
PDF
Publication page67a9fdd32dd7bc304fbf5f5705be305b67dfc80568c680d13fce8147d1fdce76
Manifest5d51558a1dc5acc11800ef8aaecb0b43bac4372dbb0115fc49a497ad7e900fec

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
SignatureouHv6iHr4PxjtNg+/SA30T381LijLTzLbQbq4wcBO59OMOJv7Krx1CTkGSLz9xdSCMH1ZcC2giIKZRg5WOvbCA==
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

2026-09-17T09:53:51.414193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086181
observed 67a9fdd32dd7bc304fbf5f5705be305b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.397334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086181/manifest.json
observed 5d51558a1dc5acc11800ef8aaecb0b43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.380286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086181/publication.md
observed fa1dc7cbe55a1a1fee64e9bbb0509f15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.363616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086181/publication.txt
observed 0a63e621a0072fbe01f676190b02e095...
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.