OpenTechnical

OT-2026-000070609

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000070609) never changes.

Identity and time

Publication numberOT-2026-000070609 · never reused
Internal UUID01a0ae91-5460-7656-95f3-9bb741b738d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070609
StatusPUBLIC

Content hashes

Canonical textfc41824ee58422baedebb22d54d6032af1831754c61c78b46fb5a4c0c531ad3d
Markdown72d83474cfcbb78c38778883663eda964ad61e357cfa8479eae48cb3cdff3d89
PDF
Publication page195a446df19e36ac2365cf2fa4276ed9f4d57da83e992fd84733b7f424c636a4
Manifest6a6cc58e0510cb4d6f82e00b3e76f6b5aca78488f152a2aff9740215aaebd636

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
Signature3FVZqquMDlHA8e5pT7jWnyxCH8fRHgLBRVD22AErmXKUCHgzTkKOQLC1J4Ye+AULvkygCb+0J+ka6cQTQTgzCA==
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

2026-09-17T10:26:28.142472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070609
observed 195a446df19e36ac2365cf2fa4276ed9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:28.124017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070609/manifest.json
observed 6a6cc58e0510cb4d6f82e00b3e76f6b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:28.105533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070609/publication.md
observed 72d83474cfcbb78c38778883663eda96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:28.087367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070609/publication.txt
observed fc41824ee58422baedebb22d54d6032a...
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.