OpenTechnical

OT-2026-000018630

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000018630) never changes.

Identity and time

Publication numberOT-2026-000018630 · never reused
Internal UUID01a0ae6e-d520-73d8-8580-b19fd75db148 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018630
StatusPUBLIC

Content hashes

Canonical text5bcab12448b34703f9a1e33fe2033935b6ea1942ecedddb0232502757ba37c8d
Markdown6bee370441404c4a6ad890325dbb3a4cae9bd81ae0ae3cfa9876f7ba5465a8dd
PDF
Publication page4911fc53d5fcca100145b18e5745cea72bc7f9b25f78fcc686b3594ace7cccb3
Manifestf454f354c7c7c502f439a8a95de213942e5c9abae6f6de42ad7a41fc74d55499

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
SignaturefQ/FeP+JXt8QGlx4WcJyDSwFf80FWEDkSDVQ7R6FKsWwkzVjUHdJhOQGKWLzi2oESg5BAxbpCLc3BG9XL4JQDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:07.658803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018630
observed 4911fc53d5fcca100145b18e5745cea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:07.641857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018630/manifest.json
observed f454f354c7c7c502f439a8a95de21394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:07.624592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018630/publication.md
observed 6bee370441404c4a6ad890325dbb3a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:07.607530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018630/publication.txt
observed 5bcab12448b34703f9a1e33fe2033935...
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.