OpenTechnical

OT-2026-000103611

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, pulsed blow-off after set-down

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-2026-000103611) never changes.

Identity and time

Publication numberOT-2026-000103611 · never reused
Internal UUID01a0aea4-e461-7ee2-b49c-3dfb31840aea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103611
StatusPUBLIC

Content hashes

Canonical textf8ab9fcddd1ae2e1b7512ea77f6095adb1c6b0e3ffba44414d4e8dfeff25e189
Markdown20b9a65c5a8adb12cc3c8d3ff2d0c4012c2e907065711bfc063aced8d5af08ab
PDF
Publication pageba2ed6a85251dfa2999d9179afbfce8ed6d247a3375ffc6c3c4264a9f36b2dbf
Manifest6cafb2711fff61890c26843eb9fe853e7e2a06f890fc1b0425aea367de4857ec

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
SignatureOV8OzyIFPrdSEYKbetZ/oqpIf7EK2paGaIg3v1RH8RBcBXPeJYmu6DiEHmNXvjl9ZIYKmBZ0H7hHJbvHgN/qDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:24.130283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103611
observed ba2ed6a85251dfa2999d9179afbfce8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.113180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103611/manifest.json
observed 6cafb2711fff61890c26843eb9fe853e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.097483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103611/publication.md
observed 20b9a65c5a8adb12cc3c8d3ff2d0c401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.080796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103611/publication.txt
observed f8ab9fcddd1ae2e1b7512ea77f6095ad...
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.