OpenTechnical

OT-2026-000073690

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000073690) never changes.

Identity and time

Publication numberOT-2026-000073690 · never reused
Internal UUID01a0ae93-2b8c-7e74-b954-32779b794a2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073690
StatusPUBLIC

Content hashes

Canonical text13582606a4a8f906c066104c9bff19377a9f26e0af7ac1a954773ab1972e86eb
Markdown65f57057f2dd34f548df71dc387b22b760384d9c891ff7add960a4b6135ae07f
PDF
Publication page3743e3b8699b9d0ccb0df77fdc7e16a0a79660f7ee77bf235731168d66770b37
Manifeste3c0676efd63dba7e6c09a36290f5518533864d6f42eaefc0c74675185927afd

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
SignatureBzL7qinle4I1A1QvAR49oC+wLqxoHTCD1zPHJVHrbmG++X6dDWGT269J3LGzFGA5SKmbqytJRCdN7nxqlJGWBg==
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

2026-09-17T10:19:45.201430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073690
observed 3743e3b8699b9d0ccb0df77fdc7e16a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:45.182072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073690/manifest.json
observed e3c0676efd63dba7e6c09a36290f5518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:45.162679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073690/publication.md
observed 65f57057f2dd34f548df71dc387b22b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:45.144563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073690/publication.txt
observed 13582606a4a8f906c066104c9bff1937...
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.