OpenTechnical

OT-2026-000093187

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000093187) never changes.

Identity and time

Publication numberOT-2026-000093187 · never reused
Internal UUID01a0ae9e-0911-7b0c-98fc-51fa8f8e29e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093187
StatusPUBLIC

Content hashes

Canonical text4455c621b2b2a28d61b29245364451fd970b3daf223f643c690dfbfdb665889d
Markdownd85279237c3011e8563d5a75b048d8c4eb0b0d0208643fff493a09013aa5689c
PDF
Publication page9b35a803c9456c10ddd61b8ee924e79194365706c6a786c2ec7e1e40b2e75a70
Manifest2609ec0134acc3bdd22f59e999b59ee6419f88ef6a3866c4e739113b9a6f8b3c

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
Signaturecy89hRvBY5cFLczFEevGI3vSyIabr3PJNitBwc9IveqwQOkA07/hdnULj1/m6F24Wj98hVNdZuDRu93ac3TPCw==
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

2026-09-17T09:40:29.485173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093187
observed 9b35a803c9456c10ddd61b8ee924e791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:29.467850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093187/manifest.json
observed 2609ec0134acc3bdd22f59e999b59ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:29.451704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093187/publication.md
observed d85279237c3011e8563d5a75b048d8c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:29.436028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093187/publication.txt
observed 4455c621b2b2a28d61b29245364451fd...
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.