OpenTechnical

OT-2026-000084920

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, 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-2026-000084920) never changes.

Identity and time

Publication numberOT-2026-000084920 · never reused
Internal UUID01a0ae99-43b6-77d6-aef9-301eba2dfdda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084920
StatusPUBLIC

Content hashes

Canonical textaf75df0406132ca2e549b890f628ecf95d08ed67e723a8fe32c0959e3e604316
Markdown875d560dad2a3364138780963990d0a85cf8979bea9d2a69345616069e3acc1c
PDF
Publication paged0647e9520705c9291005cc974584a6546498e364dc3b6d325528eec14a22250
Manifest8d39f0e90c7477fd78a89da8cbf962845504c775c09fb5c4ec82feaff5b30b18

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
SignatureVIVKJuiRxI2/TWUWLGOcoXZBqsXaNgf5KA1Wj6R1zBLpkIzGqIDXOC3NNqbVcvztpFoQmM+NJyuP5aAhvfNpCQ==
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

2026-09-17T09:54:54.267964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084920
observed d0647e9520705c9291005cc974584a65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:54.250628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084920/manifest.json
observed 8d39f0e90c7477fd78a89da8cbf96284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:54.232114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084920/publication.md
observed 875d560dad2a3364138780963990d0a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:54.212465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084920/publication.txt
observed af75df0406132ca2e549b890f628ecf9...
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.