OpenTechnical

OT-2026-000091315

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091315) never changes.

Identity and time

Publication numberOT-2026-000091315 · never reused
Internal UUID01a0ae9c-f16c-7525-ab14-7a9fc62100a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091315
StatusPUBLIC

Content hashes

Canonical textac50ecfe2fbba9bcba947a951120bc20e2eb00f69cbb903ad836042972d60f42
Markdown823b051170909b87070d6fcb9d26fb8f35c7acea57591aaa1b97999f1cda6cc5
PDF
Publication pagec3f3a9705f68763a94d356a5a3b9fbcaec9437d8eb548596542da1e0ddf1da03
Manifest15374e907950c1f2a96ce47601bb5e81d29931e999e713ed2accd1856e0d0e30

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
SignaturekcVzvMwFIyEylqhieicZe13qd0OgYCCGpZbU0cjeuiLbnNXHetZc9WxJzYVVX06b+q7Mkkihr4pbKLzit9z0DA==
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

2026-09-17T09:43:31.080573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091315
observed c3f3a9705f68763a94d356a5a3b9fbca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.064128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091315/manifest.json
observed 15374e907950c1f2a96ce47601bb5e81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.046946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091315/publication.md
observed 823b051170909b87070d6fcb9d26fb8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.028867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091315/publication.txt
observed ac50ecfe2fbba9bcba947a951120bc20...
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.