OpenTechnical

OT-2026-000069673

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000069673) never changes.

Identity and time

Publication numberOT-2026-000069673 · never reused
Internal UUID01a0ae90-b52c-71aa-b7f1-57f05d7174a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069673
StatusPUBLIC

Content hashes

Canonical textac910d03e38128572009508fe3aeab9b7824f59b90ba5ab81d4a51fd19f434ee
Markdowndfec0dfb6fa180bad771372e47ccd950394baaf4f6375403f11620807fb0e0e9
PDF
Publication pageb0a1652a2e489b3b2aca1fe3473dc66963dec65ba0100461001192088ad50570
Manifest9ac22dcd2383e3b150cca3ec7665d0fa9d96a070f5756106e6da00bf12fb4671

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
SignaturevM9LOczfHBGUYwY6nDNIti6LJU1ZPy9xPc3C0MMFuFrx7DEOVHUNyV+OJR9AkKWnlTcMhf3rxdPE6DazzMBLAw==
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

2026-09-17T10:28:20.810044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069673
observed b0a1652a2e489b3b2aca1fe3473dc669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.789970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069673/manifest.json
observed 9ac22dcd2383e3b150cca3ec7665d0fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.771090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069673/publication.md
observed dfec0dfb6fa180bad771372e47ccd950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.751576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069673/publication.txt
observed ac910d03e38128572009508fe3aeab9b...
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.