OpenTechnical

OT-2026-000070913

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000070913) never changes.

Identity and time

Publication numberOT-2026-000070913 · never reused
Internal UUID01a0ae91-8c2d-78cf-8daf-2b7febb4c2fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070913
StatusPUBLIC

Content hashes

Canonical text038f0bc195a409f9e729412b120bab43b33375de84a3e6696b3611c618627147
Markdown29c71a340017bc517468c7c291df1b2670e6c3f01a51280b4a6738cb769dc777
PDF
Publication page451383d1d36540d045cf9b2038b3100fbb3c524f9a1813cb92344cfdd64b2774
Manifesta0bad079e89eb5193d2fa6c059e44e59eef785f104e474b4c66b88144344f20f

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
Signature2yWWQrCFvUyIK1Q4f4ROIXtTObUARoH0JxNfstD+CvL5SlNKmTmZ+OY595Df6v6gMTNC1pgYSEttETHlM6uECg==
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

2026-09-17T10:25:44.702266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070913
observed 451383d1d36540d045cf9b2038b3100f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.684770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070913/manifest.json
observed a0bad079e89eb5193d2fa6c059e44e59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.668160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070913/publication.md
observed 29c71a340017bc517468c7c291df1b26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.651608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070913/publication.txt
observed 038f0bc195a409f9e729412b120bab43...
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.