OpenTechnical

OT-2026-000091414

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091414) never changes.

Identity and time

Publication numberOT-2026-000091414 · never reused
Internal UUID01a0ae9c-f16d-7b8a-8301-3398182e46cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091414
StatusPUBLIC

Content hashes

Canonical texta8c2e774691df0b51704db76f087993570de7b0377ccf5b3b619e080c2505c7b
Markdown36589ae788c278eda2bd6d15c6fc016eb8b928d2532ba94b6a3f18a2c0b5105c
PDF
Publication pagef707b860fd4c207933972d1427a607fcd67779dd0555f252c63c9a780a0f5b2d
Manifest3bb2b2e57d67239241e1eb265f9b6c07e97b3b3f013ced8c5c3f9bd3e1f7d80b

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
SignatureDlSOrA3gto08OW+Sk5ngv9K/A9jIa6d8obe+ibZ3vneMijMFx/woUJ7mIVFAEhn0ld73d4osRxyyxQWkW77mCQ==
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

2026-09-17T09:43:38.943721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091414
observed f707b860fd4c207933972d1427a607fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.925400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091414/manifest.json
observed 3bb2b2e57d67239241e1eb265f9b6c07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.909200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091414/publication.md
observed 36589ae788c278eda2bd6d15c6fc016e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.892719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091414/publication.txt
observed a8c2e774691df0b51704db76f0879935...
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.