OpenTechnical

OT-2026-000076641

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076641) never changes.

Identity and time

Publication numberOT-2026-000076641 · never reused
Internal UUID01a0ae94-b06e-7898-bd4f-b44222b680a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076641
StatusPUBLIC

Content hashes

Canonical text548099318dc46ebb53bbbb113c1793a8434df806d12b6840f4798c52e84837d3
Markdownd5535bc388e4844b8d1a4a80bf40f7473b30a8adbe6457c04078eb91e1c047fa
PDF
Publication page7895843c3963402e0ef088490045fddbeb80adfd403964e98675521478ad5e3f
Manifestcca8b190f541aed986c5a2332494c2ec4aa84e55b9442c621e31ae4d41c5ac44

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
SignatureeQJXv3YOeCA3YDtZjxBkb9G2EuWSbLLmoNpgOayIv+tYhtOXBFi7QEY/iST7fsNmfZfw8HLyvnc6sVCRXKv5Bw==
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

2026-09-17T10:09:22.692688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076641
observed 7895843c3963402e0ef088490045fddb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.674178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076641/manifest.json
observed cca8b190f541aed986c5a2332494c2ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.560361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076641/publication.md
observed d5535bc388e4844b8d1a4a80bf40f747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.541724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076641/publication.txt
observed 548099318dc46ebb53bbbb113c1793a8...
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.