OpenTechnical

OT-2026-000033869

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000033869) never changes.

Identity and time

Publication numberOT-2026-000033869 · never reused
Internal UUID01a0ae75-a391-7bdc-a271-a66487c84335 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033869
StatusPUBLIC

Content hashes

Canonical textf6d3826d67fa3604df403241ad700ea4075b7ee180e2c8ff1721177a76bde01a
Markdown229d2cbbf0719e32a33570efd39d11fd013b74a54e8d92947d0f57efbc2e881d
PDF
Publication page4403e887a21cf6549621ff68cffb303bc446f0f4a0f80787739f8ef620fe7568
Manifest55e4b18ba209c855d36fef8fddfe5a0d0c10fde5311c303f963190a354fdb9f1

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
SignatureeOF1X5mp+zBzb7WuU1rhyuLt+Mp3ccNCuhwyNUp9OVOoIetI1uX9YwXR1gFE0CYuU2gbrPczGG4DFftiNXP+DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:56.089784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033869
observed 4403e887a21cf6549621ff68cffb303b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.069678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033869/manifest.json
observed 55e4b18ba209c855d36fef8fddfe5a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.050752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033869/publication.md
observed 229d2cbbf0719e32a33570efd39d11fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.028115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033869/publication.txt
observed f6d3826d67fa3604df403241ad700ea4...
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.