OpenTechnical

OT-2026-000091100

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000091100) never changes.

Identity and time

Publication numberOT-2026-000091100 · never reused
Internal UUID01a0ae9c-f16b-779f-adf5-24120e6a19d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091100
StatusPUBLIC

Content hashes

Canonical text03c5f3b479e505156cc72fa5d80eb71f524e05711cf59ae139a60550863808b4
Markdowncd09ca8cd12ab8d22f3968dc8fdb9eeb2d576dfc70fc48d1c6e0e6ee89fc5f92
PDF
Publication pagefc3bdc6bd4d702e317a96f52baa9749f330138f2e61742e18fef2094c37c0462
Manifesta6fe625d1bd4cc372e72be68886f45a06c7e33f87dbe1fc61d1f34c20a1e3eda

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
Signature/YGo24nQipXEiDswd+MdA5sRt5MOfDnTSqp3wlqCAE4GN9+rDRIG4j46b7d5AIifkxuif5iD5WJXcA/uFTIxAQ==
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

2026-09-17T09:43:14.985934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091100
observed fc3bdc6bd4d702e317a96f52baa9749f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:14.969791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091100/manifest.json
observed a6fe625d1bd4cc372e72be68886f45a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:14.953204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091100/publication.md
observed cd09ca8cd12ab8d22f3968dc8fdb9eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:14.936040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091100/publication.txt
observed 03c5f3b479e505156cc72fa5d80eb71f...
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.