OpenTechnical

OT-2026-000078617

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000078617) never changes.

Identity and time

Publication numberOT-2026-000078617 · never reused
Internal UUID01a0ae95-7c2a-7553-a30f-8c46806183cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078617
StatusPUBLIC

Content hashes

Canonical text06d611bd26e863d78ed8a718b16fb924d304842fdf476f2a94906514f0163b6d
Markdowndf5d1d9540b0a914a402e3b73810fc9cca821518df279b1f5c4f3a7033ad5279
PDF
Publication page4ee38a2bc1f1545c3b09a38c456f8c9ca032fa903f7472c17720f22ad95b7990
Manifestb9d95741f58c601373102802a6d7a82d8deeb88354dd6a66c4862f7dee34fcdb

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
Signatureqruh5tx7KE6T70W+GdsI9o8AmexOP3pISqwv4IUTCY78NTgemJEPDR7YL+zedXETCNPkj/yXr55tSuERYgweCA==
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

2026-09-17T10:06:39.244219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078617
observed 4ee38a2bc1f1545c3b09a38c456f8c9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.228016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078617/manifest.json
observed b9d95741f58c601373102802a6d7a82d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.210526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078617/publication.md
observed df5d1d9540b0a914a402e3b73810fc9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:39.191666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078617/publication.txt
observed 06d611bd26e863d78ed8a718b16fb924...
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.