OpenTechnical

OT-2026-000076343

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000076343) never changes.

Identity and time

Publication numberOT-2026-000076343 · never reused
Internal UUID01a0ae94-6a70-7f6c-aafb-dbb5ed9e22d8 · 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-2026-000076343
StatusPUBLIC

Content hashes

Canonical textcccfbc822e7c413d6af4bf45e71a606313df44ef5a8a14ad3033becfccfd10eb
Markdown09db7a47f56c231a4af40b488abcc25f73ea37e40ac11f3a43b178a5a156f4d4
PDF
Publication pageb3972632928481c727383f3330d25ab431ae3dbfe1300d64124f5ddd66bd6c10
Manifest865c4ba783f3986a7eea945a68b72e3d0ff87626678f6eedb15f1ff7a53cdd38

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
Signatureo7h4OXP9d1z4KURUTeLAn1/Fdl1E/ettoOCz7tCneDuWSLXMstR1C5WhkNDMus6ijAs2IHEc6vSdLxo0/Q4iBg==
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

2026-09-17T10:12:12.153477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076343
observed b3972632928481c727383f3330d25ab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:12.134400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076343/manifest.json
observed 865c4ba783f3986a7eea945a68b72e3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:12.115800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076343/publication.md
observed 09db7a47f56c231a4af40b488abcc25f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:12.096584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076343/publication.txt
observed cccfbc822e7c413d6af4bf45e71a6063...
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.