OpenTechnical

OT-2026-000078111

Publication integrity record

Foam pad vacuum gripper, two zone face, four 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-2026-000078111) never changes.

Identity and time

Publication numberOT-2026-000078111 · never reused
Internal UUID01a0ae95-6e8c-7822-89c8-9ddd91041324 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078111
StatusPUBLIC

Content hashes

Canonical text58a26232b62928f4d65a3efe228bb9f184adc09bdd1a71a53df4d2d57d0326e7
Markdown8200826d4e4ec6f4ef71b40e50959f4128dcd53e82252eaff2b38cce25f61761
PDF
Publication page029a7b86bc0109a4cee164f3e29a6b7e44005c5a0a6a90585044344d4c151d99
Manifestb3eefc3581e69e032f6cfe367ec4d4a6eadff9b597bfaed9cadb22da4eadbda9

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
SignatureF6Wg1oHS9sHqprQ+hrCSYTLsrEc/jfqwOke0lNnkZb6C8qh/gUPAfBsMrwQcChiZ05osyHcj7xD8fZO5szhABQ==
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

2026-09-17T10:06:49.260356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078111
observed 029a7b86bc0109a4cee164f3e29a6b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.242005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078111/manifest.json
observed b3eefc3581e69e032f6cfe367ec4d4a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.222559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078111/publication.md
observed 8200826d4e4ec6f4ef71b40e50959f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.204985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078111/publication.txt
observed 58a26232b62928f4d65a3efe228bb9f1...
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.