OpenTechnical

OT-2026-000084155

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two 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-2026-000084155) never changes.

Identity and time

Publication numberOT-2026-000084155 · never reused
Internal UUID01a0ae98-5b5f-7d9d-962d-e3495d4a5011 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084155
StatusPUBLIC

Content hashes

Canonical textf07dcec61236f3c254242b016e28e4bb63fc01aa760a64e082f12284533b8c57
Markdown4c2744b4346f31f301de23601263b288b70d817e4db4e247f6ae0f6160e88b49
PDF
Publication pagecfc38c9ef86b6fff79b2c0316c7f2a5977dec70202f69f33a72ba651b3039453
Manifest1fda0064dd1366e79ffb9a99f880dd66f12af607d4145232ed417eaa650d1b78

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
Signature1qt9JRLfVgQTq2Y9cGVY2q3FwvyUrbXheLjzx5a1WxDq/ke+obhfwPZDlRdvdybIYeIdAg9L+WmGpXvkqS0lCA==
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

2026-09-17T09:55:55.539501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084155
observed cfc38c9ef86b6fff79b2c0316c7f2a59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.521517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084155/manifest.json
observed 1fda0064dd1366e79ffb9a99f880dd66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.501444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084155/publication.md
observed 4c2744b4346f31f301de23601263b288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.483594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084155/publication.txt
observed f07dcec61236f3c254242b016e28e4bb...
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.