OpenTechnical

OT-2026-000005788

Publication integrity record

Vacuum cup gripper, three zone face, two stage ejector, vented after set down, polyurethane cups

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-2026-000005788) never changes.

Identity and time

Publication numberOT-2026-000005788 · never reused
Internal UUID01a0a944-e80b-75d6-87ca-38a9af3096f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:11:00.494241Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005788
StatusPUBLIC

Content hashes

Canonical text1c1d250d9eadfabe15b3b3a094182c948b6c14aeea38a9ccebe8e1dc4469e5c3
Markdownd3d23ce5c9bb3744c4ee2fbfc4077aabb56de692f5429543f334bb8b1424540d
PDF
Publication page1efd92e0ae7822266e1d5ee54208350cc07756925989334e278293e9cc91cec2
Manifeste6d0374272312c7cebdce0ba42c2715ceb03401d7380e57b839a8e9e9023c59e

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
SignatureeyEOguGptuxCXBmQeEs/Wyb7OAtXCYuftpYti+KVCymlXJXdjDscgvZbc5UTKiSVGKCWayE97Ot6+Alfc0KeDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:32.895019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005788
observed 1efd92e0ae7822266e1d5ee54208350c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:32.881263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005788/manifest.json
observed e6d0374272312c7cebdce0ba42c2715c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:32.747268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005788/publication.md
observed d3d23ce5c9bb3744c4ee2fbfc4077aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:32.732584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005788/publication.txt
observed 1c1d250d9eadfabe15b3b3a094182c94...
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.