OpenTechnical

OT-2026-000079707

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, 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-2026-000079707) never changes.

Identity and time

Publication numberOT-2026-000079707 · never reused
Internal UUID01a0ae96-4375-77bd-bb91-6a7d3d282378 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079707
StatusPUBLIC

Content hashes

Canonical textbb1bcd79a942bf4476524c1d52da86310443ee579993073cea0394f8769dc98c
Markdown86a74b5b692430dec6c5a35fc423650b8fbf6ff5448781e796a586b0b63969c2
PDF
Publication page78999d2299108c924703d3f8b8243f84867393dc62943cbdda69c5d393508c9e
Manifestac61437496a19174a3e45ff790c94a06bdfe917deeddb9b4335aca2ca3156841

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
SignaturelP1X7QOGGPeX+C3tlNlLkhL3CjUDWF1/+m7sNq8FVlbpVQaqnBxHG9knz7OG+eRhAd2DJHnre6EOzycu11oEDA==
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

2026-09-17T10:03:28.963521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079707
observed 78999d2299108c924703d3f8b8243f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.945661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079707/manifest.json
observed ac61437496a19174a3e45ff790c94a06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.926915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079707/publication.md
observed 86a74b5b692430dec6c5a35fc423650b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.909004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079707/publication.txt
observed bb1bcd79a942bf4476524c1d52da8631...
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.