OpenTechnical

OT-2026-000070686

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000070686) never changes.

Identity and time

Publication numberOT-2026-000070686 · never reused
Internal UUID01a0ae91-8c2c-7e67-90be-41569341fb58 · 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-2026-000070686
StatusPUBLIC

Content hashes

Canonical text628441d4da75973a2f77aed08ace163a295fd54fadebbb5b67ee9f515facc4ce
Markdownaaeeacb51f110e21da10521a2137175cda5353267958e5a28a2ae1d93c2062e6
PDF
Publication page935e88bf234aced6f787a73ec7af3d54a87b60f049ab370d5347384bb55c6569
Manifestdb3ca5b4a65f46b01a2abc2643f79eeb1dd4bf957b1b2e63230ba7e97fc62272

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
SignatureijnYVQDHWcfauNX/AEnTKN5w4dLVF6TmwsdpG4UPmmhdP3iQ47hf4kEkaHKpaF+dSpiaSo/diBIflH0KYCueBg==
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

2026-09-17T10:25:21.997364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070686
observed 935e88bf234aced6f787a73ec7af3d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.979834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070686/manifest.json
observed db3ca5b4a65f46b01a2abc2643f79eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.961657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070686/publication.md
observed aaeeacb51f110e21da10521a2137175c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.942862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070686/publication.txt
observed 628441d4da75973a2f77aed08ace163a...
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.