OpenTechnical

OT-2026-000091938

Publication integrity record

Foam pad vacuum gripper, three zone face, six 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-2026-000091938) never changes.

Identity and time

Publication numberOT-2026-000091938 · never reused
Internal UUID01a0ae9d-43bb-7ab6-80f6-9aa1c84c28ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091938
StatusPUBLIC

Content hashes

Canonical texte746a7fcf43d0c7febb08188af083f5e56d1c243821929b08aeeefdde822ee84
Markdowne335e740f9cedaa2496ca8982d49641bc784aa87647676711190c3d06df5043e
PDF
Publication page5d2aa42379e39f1e68090fba93842846111aa32253705579864988e0fe678887
Manifest76cd8b6e0b7abf3556b31782f94eba5b9e9cdfc0a4db65a85d627e4a23f923b6

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
SignatureaDppZVTAOmrQJUItqHqMKAGPxAjq9HHkjkLqJLNg9xpi/5CJP3Mn1M+wwk5ayObo2ZSc6cPRLlSeMmfIkUZHAQ==
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

2026-09-17T09:42:52.979206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091938
observed 5d2aa42379e39f1e68090fba93842846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.960291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091938/manifest.json
observed 76cd8b6e0b7abf3556b31782f94eba5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.940357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091938/publication.md
observed e335e740f9cedaa2496ca8982d49641b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.921840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091938/publication.txt
observed e746a7fcf43d0c7febb08188af083f5e...
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.