OpenTechnical

OT-2026-000067527

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, 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-2026-000067527) never changes.

Identity and time

Publication numberOT-2026-000067527 · never reused
Internal UUID01a0ae8f-6bda-73b7-b0ae-a7c7704416ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067527
StatusPUBLIC

Content hashes

Canonical textc8b9700ea78c4053bf70b216dd0fc31e379aca50af173f455da6e15ae44a6a1b
Markdownfc60d5f84aba0b91288c2080054190bae28db8ba8edf35e676819cee5811b434
PDF
Publication page4f9d0863a57dedc4b2cde83b69b0190ed9e2746fe5e47baf5e605d2beccb81e5
Manifestc256c813be13dd0f90e982b4b8add61430e867c029d41d7d5d52ca7c017a757d

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
SignaturefKEibi+LGNg0WjMcHVoxjGqppSiuqtiFxviQaUUwW4IJJut6I2eIzXE1zbiEgbpSCWP6XLt3G+tDC7iBLUytBw==
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

2026-09-17T10:31:49.730302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067527
observed 4f9d0863a57dedc4b2cde83b69b0190e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:49.712987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067527/manifest.json
observed c256c813be13dd0f90e982b4b8add614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:49.694567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067527/publication.md
observed fc60d5f84aba0b91288c2080054190ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:49.677595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067527/publication.txt
observed c8b9700ea78c4053bf70b216dd0fc31e...
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.