OpenTechnical

OT-2026-000069751

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000069751) never changes.

Identity and time

Publication numberOT-2026-000069751 · never reused
Internal UUID01a0ae91-185f-7ed7-9771-20c8163d55bb · 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-2026-000069751
StatusPUBLIC

Content hashes

Canonical text3940db6cb80565f69dd59f08f5706af67b09b0c418fdf1f7706e57a3e0d5f5a7
Markdowne9dfbb1d4b6631e617cf3c3b6ad4bbdf317119aad6a82f8c897d6d702d4d5e8b
PDF
Publication page8a2d6b17a271f87ad560e02e478e4fbe750c8009f658c0dda70373bfc66e49bd
Manifest570f45624dc17b87d0a8a232d390060c165624151c73783c93bab3f349de7312

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
SignatureJp1cwJL6UkzkoIFHNKcWiY8VqjdH0SFI4zpA9JzvchBoXmdixVZXVoRQwGV+YbhusanZhdScJs5s34u/fRSpAw==
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

2026-09-17T10:26:34.294428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069751
observed 8a2d6b17a271f87ad560e02e478e4fbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.276226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069751/manifest.json
observed 570f45624dc17b87d0a8a232d390060c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.256908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069751/publication.md
observed e9dfbb1d4b6631e617cf3c3b6ad4bbdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.240976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069751/publication.txt
observed 3940db6cb80565f69dd59f08f5706af6...
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.