OpenTechnical

OT-2026-000079157

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000079157) never changes.

Identity and time

Publication numberOT-2026-000079157 · never reused
Internal UUID01a0ae95-ccbf-722c-b7bb-674ccd23b378 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079157
StatusPUBLIC

Content hashes

Canonical text6281aec827a8ddec3247a99b35f7d1fb93683ff573a973b8f44dddfc8507340d
Markdown32c26c08440b8cccb34443fbddeae1a563522c8ccbade834db349ccad32faf3d
PDF
Publication pagea6193e677bea5284808150448436a365fc3edfb6307371af4e4273ae12c5dade
Manifest3e68d6070f650ad2362526028ce47f1ad7af3a476f9fb3757ac21353ba3b7fe3

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
SignatureoUBl/AQlboeuYV1+Mamg0zWA7/DUvnwscH1+CCE08RFZW3yzISlcyRWE33gbRnSZAEWd1sgcFwCv1bbX7ueiBw==
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

2026-09-17T10:06:00.468718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079157
observed a6193e677bea5284808150448436a365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.449542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079157/manifest.json
observed 3e68d6070f650ad2362526028ce47f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.431067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079157/publication.md
observed 32c26c08440b8cccb34443fbddeae1a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.410456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079157/publication.txt
observed 6281aec827a8ddec3247a99b35f7d1fb...
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.