OpenTechnical

OT-2026-000081450

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, vented after 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-2026-000081450) never changes.

Identity and time

Publication numberOT-2026-000081450 · never reused
Internal UUID01a0ae96-f375-77a6-ba45-04c0bed74c3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081450
StatusPUBLIC

Content hashes

Canonical text080d7ad017bf7e6beb0938345da3c2a01a4664aee5b74a9d10f68f82f4c8a221
Markdownfbf51cda2a6b6b6522461f24e2b70e563636ff8e1d2d664e060f25c19d50d5c4
PDF
Publication pagebbe6155abf6967fcdb56bed30bb6eab61ca6ead2c1e5849749c7b453e72bfba6
Manifest87887e420de61ba692d6a97f50b93f84ea289f7870612cb11fb06849b8d78300

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
SignatureCfpHiVW75F9E4tMySndIRwuEa38RG8jrBZqzlao3f5q450vt2ykgJNRNO3JU+mnh20YN9APNiZvLziO8unXyCQ==
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

2026-09-17T10:01:36.679638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081450
observed bbe6155abf6967fcdb56bed30bb6eab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.663701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081450/manifest.json
observed 87887e420de61ba692d6a97f50b93f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.646716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081450/publication.md
observed fbf51cda2a6b6b6522461f24e2b70e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.629706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081450/publication.txt
observed 080d7ad017bf7e6beb0938345da3c2a0...
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.