OpenTechnical

OT-2026-000089112

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000089112) never changes.

Identity and time

Publication numberOT-2026-000089112 · never reused
Internal UUID01a0ae9b-daff-7ebd-a9c0-3535afc5f91f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089112
StatusPUBLIC

Content hashes

Canonical text4080bea3a8932a6c1573fc7e421c838e80a329c89e6cb0680dc6463b062f4161
Markdownca7ee185797bcb5a1c2b4bf29623da0cd6ef2b10f4d814ab1520cfa025b657e9
PDF
Publication pagef6641d21fb6c8cfb034237682aa417230d0488c15573afe3802d090763d2266a
Manifeste0e20d3da16b9339648aa07fd46cbdc806fd4e58de51bedc8bea6fe0bdd29f05

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
SignaturedxYeMG3r7AIyF5r8RvVROzfxfcZO0+8gqmOoJv7boH9el7lsk4UsjwQaUuC6EgPlwXeg8RKWcV800lLv/eyPAA==
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

2026-09-17T09:47:01.387981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089112
observed f6641d21fb6c8cfb034237682aa41723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.368404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089112/manifest.json
observed e0e20d3da16b9339648aa07fd46cbdc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.351284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089112/publication.md
observed ca7ee185797bcb5a1c2b4bf29623da0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.333189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089112/publication.txt
observed 4080bea3a8932a6c1573fc7e421c838e...
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.