OpenTechnical

OT-2026-000070479

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, 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-2026-000070479) never changes.

Identity and time

Publication numberOT-2026-000070479 · never reused
Internal UUID01a0ae91-545f-7f02-8ac5-140153a5b1d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070479
StatusPUBLIC

Content hashes

Canonical text2b12b9f1ce76dbcd26e1efe1a13d262493ee8899065993ba301bf839d94eaaae
Markdown7004f572904439c047ecbe8e69f2a605b8b9b97b9ed3e4675445cc778eaaabda
PDF
Publication page516c1ead5caaedae4215c9b98e84c0e6458d3f9af69aff68f11a6fb817b71b94
Manifest8c5c6140de5ffeaa24dc463c14146c62046ba8f6177f3e3173f11b821e58fb76

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
SignatureF3K+C/FfNGrdVh6yQkaLBxyzQMNi+pVMfpxVfmOt908hnBSPwQFeM8KsGA6vwg9310izl/9F+KTcrDfTG3esBw==
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

2026-09-17T10:26:18.763948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070479
observed 516c1ead5caaedae4215c9b98e84c0e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.748007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070479/manifest.json
observed 8c5c6140de5ffeaa24dc463c14146c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.731188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070479/publication.md
observed 7004f572904439c047ecbe8e69f2a605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.712698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070479/publication.txt
observed 2b12b9f1ce76dbcd26e1efe1a13d2624...
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.