OpenTechnical

OT-2026-000043761

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000043761) never changes.

Identity and time

Publication numberOT-2026-000043761 · never reused
Internal UUID01a0ae7b-d676-7e8c-996d-186e0e583854 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043761
StatusPUBLIC

Content hashes

Canonical textc26f002944af9579dc254ad5cc48b93664e2a90e1f9f481d5b950affcc9920fa
Markdown0e7ab442c5b8c34e018d5abea24e8b99260e03a41535126c9c879564217eadde
PDF
Publication page8185403c516e0c67a7a34983bd551b28fef20f8ebc477474e6f87cdb27c2ed77
Manifestb18331650796bb5302ef077b61041d21c7e35f1cbf832b82c4f29d66907ee97c

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
SignatureVzGzO0rogmxADIBrAlUgHnao/XY27tTRcjn00Sf+Bz3kjH01kOkcq6Kp5PocEXvQizYyMVm2skSiothlWJRoDQ==
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

2026-09-17T11:12:02.796712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043761
observed 8185403c516e0c67a7a34983bd551b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:02.777353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043761/manifest.json
observed b18331650796bb5302ef077b61041d21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:02.757975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043761/publication.md
observed 0e7ab442c5b8c34e018d5abea24e8b99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:02.706325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043761/publication.txt
observed c26f002944af9579dc254ad5cc48b936...
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.