OpenTechnical

OT-2026-000069786

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000069786) never changes.

Identity and time

Publication numberOT-2026-000069786 · never reused
Internal UUID01a0ae91-185f-786f-b54a-3deb4937cb3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069786
StatusPUBLIC

Content hashes

Canonical text76451479e842a2023300de4d6d143b1317672a9f19a41ad922fecc1c70a51479
Markdowna90358d23fbaf04f98d5ef8f5d68df8db7a0a382f8443b81c9766cfa9eba1c1f
PDF
Publication page381765f2e4056847554d3ae2249be2785097345c0d96b4e871065d3e4e663eb5
Manifest1b77631bc42470cd8e6c3b5e6985696e2b3a9c24311d944b5fac899162fbe7de

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
SignatureyquOGod6M+7Hdy4ZtvSlXJq2kWeD3U9GGJuI/bEHRslnPphTpnUfAXXsrLxinNaDVDmDZwet7cLA+7pEIA52AA==
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

2026-09-17T10:26:37.088521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069786
observed 381765f2e4056847554d3ae2249be278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.068377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069786/manifest.json
observed 1b77631bc42470cd8e6c3b5e6985696e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.049544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069786/publication.md
observed a90358d23fbaf04f98d5ef8f5d68df8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.005482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069786/publication.txt
observed 76451479e842a2023300de4d6d143b13...
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.