OpenTechnical

OT-2026-000069869

Publication integrity record

Two cup vacuum gripper, two zone face, single 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-2026-000069869) never changes.

Identity and time

Publication numberOT-2026-000069869 · never reused
Internal UUID01a0ae91-1860-7a2f-acfe-40a37ccfaff1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069869
StatusPUBLIC

Content hashes

Canonical text3f6f8ef277c634a442eccd2651d029722e5ddb7c5d706076924bc36edcc45f80
Markdown718611250b02a69c27fd45c12aa372a4f712aad5783b80a0f252c01cfcbfcc9c
PDF
Publication page184385c0311d852ecbf64ee54a87c903ec604a5f3f44d63ac396857fb2fa963f
Manifestfd2a2ad8dd4f0ccf66885607454995e7af764cce91bf4ecce09bb871b7110754

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
Signature2Gry2XRnTubHL8t9OGTWgiVe/axRZ8BkeuvAoU4Wwv8KTCi3UdkYsOQY7RVkeJ6wDLxa7ofhO3Yc8T6TpdQjCg==
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

2026-09-17T10:26:41.940027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069869
observed 184385c0311d852ecbf64ee54a87c903...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:41.918681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069869/manifest.json
observed fd2a2ad8dd4f0ccf66885607454995e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:41.901343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069869/publication.md
observed 718611250b02a69c27fd45c12aa372a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:41.882831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069869/publication.txt
observed 3f6f8ef277c634a442eccd2651d02972...
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.