OpenTechnical

OT-2026-000086297

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000086297) never changes.

Identity and time

Publication numberOT-2026-000086297 · never reused
Internal UUID01a0ae9a-2c95-703f-ac22-d01dfb214ea6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086297
StatusPUBLIC

Content hashes

Canonical text92a0b2991401c10529819ee9051713bb851eedcf17fa0dc99b4036c3db5485a2
Markdownfeb5d6aa06a95f94eb2f815bf2c29ed20f2691dc86c71242dec6b8b5d8e30ce5
PDF
Publication page39f76066eb7f1cf9122cc042e61166585dc028e116852b91d4f6e0d8659169bc
Manifestc580ed3f47f120bcab7179be3139efc4a31c0e6251ef1fabd439db0b6ab1bd93

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
SignaturevuF/LnxHoYujSzr/dmtARp6oIlmKM3mEFw+DKO2hZ3D9/VZHlwSRza5wfVRfcl2Q/t1ThTLGz54UGKyOYLIMDQ==
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

2026-09-17T09:51:58.533999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086297
observed 39f76066eb7f1cf9122cc042e6116658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.514954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086297/manifest.json
observed c580ed3f47f120bcab7179be3139efc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.498929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086297/publication.md
observed feb5d6aa06a95f94eb2f815bf2c29ed2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.481607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086297/publication.txt
observed 92a0b2991401c10529819ee9051713bb...
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.