OpenTechnical

OT-2026-000063390

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000063390) never changes.

Identity and time

Publication numberOT-2026-000063390 · never reused
Internal UUID01a0ae8c-f944-7d6f-ac79-92c1405a353a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063390
StatusPUBLIC

Content hashes

Canonical textdc4c4b2567afcf11d0f7daa420ffc5945b7bff8b2c45da3626795ef7a1bf385c
Markdownfcf1cee658bb1e1dc17833ddc60a2e863a219c0462a8ee1c637d5ccd9aa80a1e
PDF
Publication page6c2f97c3c36edf97d35d8dfae0efb9b99a3c167b4d3b11944430cb40edd9c52c
Manifest3b2b215a91cdfabff496169f611442a4f7e8a573afcd86310ee929e102b84580

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
SignaturerfmOUrmHKFI8UQmLsFsb2GmjXtFB4Mi4fi30ZwaN41RJUatCVvEN/COAg0l4JCXP/yM8iqqnY2CkQHXmA/XmDg==
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

2026-09-17T10:37:18.298940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063390
observed 6c2f97c3c36edf97d35d8dfae0efb9b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:18.281949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063390/manifest.json
observed 3b2b215a91cdfabff496169f611442a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:18.264350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063390/publication.md
observed fcf1cee658bb1e1dc17833ddc60a2e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:18.246464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063390/publication.txt
observed dc4c4b2567afcf11d0f7daa420ffc594...
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.