OpenTechnical

OT-2026-000075382

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000075382) never changes.

Identity and time

Publication numberOT-2026-000075382 · never reused
Internal UUID01a0ae93-f201-77aa-a919-b3a69372fd8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075382
StatusPUBLIC

Content hashes

Canonical text29e98445b845a064e63262841affa5a862dc35fbe33c1ae0bf72d369799d6542
Markdown96d755ddf72b4630d4727c9902b5e2f9b6250b267b548c8c1bfffe54fc56349f
PDF
Publication page7951c1e2c51482b94c6e47351f78ff6438d4c8d8bd53bccb950ddff12623de8c
Manifest80e3462f0d07d4e918fe55a45e79f83467e1c5b0b3b7f95f1886b4373c0c413e

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
SignatureEjwGxe7Vy1LvmDjlqrP/Q4ce/COVcfZV0VkUyaJjjn/gace2UUjvgD5r3f6nmKT8F9TtQyDBp701lMhyWhmqAQ==
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

2026-09-17T10:17:25.225480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075382
observed 7951c1e2c51482b94c6e47351f78ff64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:25.203878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075382/manifest.json
observed 80e3462f0d07d4e918fe55a45e79f834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:25.064243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075382/publication.md
observed 96d755ddf72b4630d4727c9902b5e2f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:25.045199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075382/publication.txt
observed 29e98445b845a064e63262841affa5a8...
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.