OpenTechnical

OT-2026-000082177

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single 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-2026-000082177) never changes.

Identity and time

Publication numberOT-2026-000082177 · never reused
Internal UUID01a0ae97-4d93-7c87-a783-0129f738aead · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082177
StatusPUBLIC

Content hashes

Canonical text0d91411c5b635ed04c3fc64af7d926b0a4ec23680885b6d98493a5a0d6b10e3e
Markdownec8f4f5648e4b8f7b6d162be1262b1049aa32c13f1c8f09a7d0e952efc6745a7
PDF
Publication paged6bc6a69ef59beb7e70ebe92667239cac45232400ec00987d51fa7f8ff3ffcfb
Manifestd700237d45110481a8e6ca766fad52783391c4ca9a69e82de120251ea8f159bd

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
SignatureOx2cbjqwo6fprEqdE7X7obI+K/JYpaxqEEBpQPhfOWKNgCUSW7gvnQ44Q6ttRxrGen3XtOalq9BUVCA8lz2uBQ==
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

2026-09-17T09:59:00.265440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082177
observed d6bc6a69ef59beb7e70ebe92667239ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:00.248754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082177/manifest.json
observed d700237d45110481a8e6ca766fad5278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:00.231490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082177/publication.md
observed ec8f4f5648e4b8f7b6d162be1262b104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:00.214366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082177/publication.txt
observed 0d91411c5b635ed04c3fc64af7d926b0...
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.