OpenTechnical

OT-2026-000010168

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000010168) never changes.

Identity and time

Publication numberOT-2026-000010168 · never reused
Internal UUID01a0ae6b-cb7a-71b0-8221-553a14bddb00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010168
StatusPUBLIC

Content hashes

Canonical textaa2bf3e0baa672fa89f4404b5c321f03ddf1a47f0eab79d920278f5a1e407533
Markdown19448bf250809f4196fa076f54c77305c44a0836ac06ef5515b4a6760a2a9492
PDF
Publication pageb3602baf7b51afe878ef53219d60f263cc5ef81f8cbaf6fc050f57e69fe23147
Manifest5bcf460289abd0ce9b51e69483fa5fe1b9b090723a2e88e76b6ed60cf640cfc6

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
SignatureqPdUtLgzHxyYAz0/TpuDWCQdV+EylIytOenlMMI5+34+6bUbfSzgaT2mFE9yLuFxdYSo9Y8eT6pK7HyGlBjWDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:16:16.689330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010168
observed b3602baf7b51afe878ef53219d60f263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:16.669677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010168/manifest.json
observed 5bcf460289abd0ce9b51e69483fa5fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:16.636502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010168/publication.md
observed 19448bf250809f4196fa076f54c77305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:16.606018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010168/publication.txt
observed aa2bf3e0baa672fa89f4404b5c321f03...
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.