OpenTechnical

OT-2026-000076075

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000076075) never changes.

Identity and time

Publication numberOT-2026-000076075 · never reused
Internal UUID01a0ae94-6a6e-711b-ae5d-bbb6884b5766 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076075
StatusPUBLIC

Content hashes

Canonical textc96151072bc360d2ba7b87226304f7ecc6dc6aad0d07a099971847389f6aa25c
Markdownc15d41374bb364732c3f5747b184b89e3df961d59f36c8b0b6dd46b551007ebd
PDF
Publication page58de28d599e4e3d3685246373517608110c770fc4e8ccafed68f4d736b9189a5
Manifesta4b417f1238e77bf4ac91705b42902dcc6297b0912159814c4b1648c421a603c

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
SignatureCIe+qDLbMZbw23UpFZV/x8sT4bkPITL5RTBwaTOz35KxwrqRV4KqEavyGgOKznnl8+2QZktS4+IX3szgr3WyCw==
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

2026-09-17T10:10:51.797153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076075
observed 58de28d599e4e3d36852463735176081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:51.777480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076075/manifest.json
observed a4b417f1238e77bf4ac91705b42902dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:51.759310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076075/publication.md
observed c15d41374bb364732c3f5747b184b89e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:51.741643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076075/publication.txt
observed c96151072bc360d2ba7b87226304f7ec...
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.