OpenTechnical

OT-2026-000066367

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed 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-2026-000066367) never changes.

Identity and time

Publication numberOT-2026-000066367 · never reused
Internal UUID01a0ae8e-8dc4-7cf0-9228-1d709f14fc00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066367
StatusPUBLIC

Content hashes

Canonical text7bc6d56f4d913664d27af8c7292fba98acc02081164c61e50bcfcce7c2caaf8f
Markdown3f802b56d6eeb4e65429fe68f5262984555e2934276327ca9ca66f81fc3ce593
PDF
Publication page7253db053d65df24bc5c3332e1f734a9149205a85ad4000e3f22fccc1a2a9d37
Manifest42db653046496035d65512f14971637f2356e78cb5cd5b6b4f3ff6d8878547c1

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
SignaturebnBawQcuRjOThHvIC29fwvv55YDbc/5IUR9/e/T67gyfr8bLrmfYfaQQGdTKBbckDAvEua8Mqp7DoANr/sr2Dw==
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

2026-09-17T10:33:33.939747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066367
observed 7253db053d65df24bc5c3332e1f734a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:33.919540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066367/manifest.json
observed 42db653046496035d65512f14971637f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:33.900761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066367/publication.md
observed 3f802b56d6eeb4e65429fe68f5262984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:33.881709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066367/publication.txt
observed 7bc6d56f4d913664d27af8c7292fba98...
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.