OpenTechnical

OT-2026-000072166

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line 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-2026-000072166) never changes.

Identity and time

Publication numberOT-2026-000072166 · never reused
Internal UUID01a0ae92-47c2-73fd-a787-9e0ec0490b7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072166
StatusPUBLIC

Content hashes

Canonical text628b03045695c6bf7c6a1ccca1c0c78ec128ccd2b9720e99135dcb8a4222b0cd
Markdowncfdd78a3db9fc5350505da608b9c736501f9b0523f5e79e1fba5a4c29ca084f0
PDF
Publication page2e31c782352d10d019bbf8ef5f38efa4dc40571f55fa67312b0ee1f1caca76b2
Manifest5af9c0a3d3d3f46c1d420055ee8168593b49c82c0966c41db699d015195b422c

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
SignatureBBtui2uVx1TZzSaQ7Uv27JNVZs8KB9d+Ch+oiRfNMGNvZ6t1ds/8WEg9hvPVosUW6rwSuGKvXtM7OVX7RH4SBA==
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

2026-09-17T10:23:15.871733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072166
observed 2e31c782352d10d019bbf8ef5f38efa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.853727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072166/manifest.json
observed 5af9c0a3d3d3f46c1d420055ee816859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.838282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072166/publication.md
observed cfdd78a3db9fc5350505da608b9c7365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.821569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072166/publication.txt
observed 628b03045695c6bf7c6a1ccca1c0c78e...
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.