OpenTechnical

OT-2026-000069109

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000069109) never changes.

Identity and time

Publication numberOT-2026-000069109 · never reused
Internal UUID01a0ae90-6dce-7f42-8fe8-699559f07551 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069109
StatusPUBLIC

Content hashes

Canonical text145aafaa025bd4b079ab9cdac1a42b3fe903d98b1393c9c9cc4d8cf78ca36159
Markdownc315f7d07ecf700921d3f37398e5521a9a57d3cc3472410b46110feac258d24d
PDF
Publication page08599488a17a14d1ed8c1108c1dd86948e07ab4e044c9f33e8d13ac44a67fc42
Manifest64907291127aee30a6741a1b8306dff108cdd3b08531171348ae92539db61a49

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
SignatureDINFXkeCZ97jaesMe74+vy66/O5SYM4zNcnlcfzGB68IwmBpMAym+rQymzRzommrs7IsvAq0oJDOKM3wi7haCQ==
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

2026-09-17T10:28:59.173964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069109
observed 08599488a17a14d1ed8c1108c1dd8694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.157751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069109/manifest.json
observed 64907291127aee30a6741a1b8306dff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.140807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069109/publication.md
observed c315f7d07ecf700921d3f37398e5521a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.124413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069109/publication.txt
observed 145aafaa025bd4b079ab9cdac1a42b3f...
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.