OpenTechnical

OT-2026-000085988

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000085988) never changes.

Identity and time

Publication numberOT-2026-000085988 · never reused
Internal UUID01a0ae99-e82a-7bf6-bb41-9de5c2abb7e6 · 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-2026-000085988
StatusPUBLIC

Content hashes

Canonical text6cc5213bf5287b3ecae4eb1da2c2e1b74bb4bcae5667c9c654e8043698b2473f
Markdown496b65ffc07da9556da4a48c489228b0d2fe666b18af98505d6dca5967021a11
PDF
Publication page0b0954fb991a1d356f8d6cccc58bf855c7e6034cff3b74f5cd3c32d4ae7e0b22
Manifestc73863563dee652b4be3332a6d0c51b9ac21f1b7d078ec4c5924cd056cb45e6b

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
Signatureui/00+K9X75c/UR4/UI4XcS/CGKw7OKWsFCFHNcwQR7WFvJm5Iv3LpKaxaWQfdxvUe6YKgRnkdBM9VClUVkNDw==
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

2026-09-17T09:52:58.090083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085988
observed 0b0954fb991a1d356f8d6cccc58bf855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:58.073086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085988/manifest.json
observed c73863563dee652b4be3332a6d0c51b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:58.055443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085988/publication.md
observed 496b65ffc07da9556da4a48c489228b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:58.037619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085988/publication.txt
observed 6cc5213bf5287b3ecae4eb1da2c2e1b7...
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.