OpenTechnical

OT-2026-000080817

Publication integrity record

Foam pad 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-2026-000080817) never changes.

Identity and time

Publication numberOT-2026-000080817 · never reused
Internal UUID01a0ae96-b974-7688-a2c0-417005426948 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080817
StatusPUBLIC

Content hashes

Canonical text26905efe0edc1aa5106a034b9d28a57511757b35de3d655c23568411643b111d
Markdownc7b01e7794ee87d3b1fa164c076fc2129c2ecd29da356adf59b2e4c66f823a4d
PDF
Publication pagef67c52d3db8acd3c899d851a2bf6f8369121fbdc238f8f57067d658917cff4c2
Manifest4990146aace3ea603fe53c7b518a3aedb207b2c20534f24928894cbe144f2c44

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
SignatureuuSQGqMuJ+kPg0/Ay44iClGpDxCTTMRl7HF5ptSe9GrdqVn40fHN4krCa/4Sqzp0BduUQjN2WvtPdoLB6wyQBw==
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

2026-09-17T10:02:00.022930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080817
observed f67c52d3db8acd3c899d851a2bf6f836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:00.005352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080817/manifest.json
observed 4990146aace3ea603fe53c7b518a3aed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.985840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080817/publication.md
observed c7b01e7794ee87d3b1fa164c076fc212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.966647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080817/publication.txt
observed 26905efe0edc1aa5106a034b9d28a575...
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.