OpenTechnical

OT-2026-000087179

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, sustained blow-off 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-2026-000087179) never changes.

Identity and time

Publication numberOT-2026-000087179 · never reused
Internal UUID01a0ae9a-9f2e-7bf6-90e1-1f132b655bad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087179
StatusPUBLIC

Content hashes

Canonical text5cd59e1baf3e313c4cdbf38352cff7cb3cd332f2f80b7530899308c4c006b512
Markdownbb41b648b98b7fd08f66f475f5b79c30206270ce4e2863b34ba16ae1c877aa6e
PDF
Publication pagec92daa3663ece81c6a6f236940f32faf29c4079c97f754ec73c70314101710a0
Manifest04cdd0906ffe4995faea57fed22a8f0a1d214579178c6a1787eb7ff3417501bd

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
Signature/UhnQSW98USJo4SlzigwecJ31Q9TAbUOzu1qX8eJpmCYCVF0uCH7/GQOb3WE0TtYhn9FuCJasb836LNONSmmDQ==
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

2026-09-17T09:51:27.051265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087179
observed c92daa3663ece81c6a6f236940f32faf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:27.031633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087179/manifest.json
observed 04cdd0906ffe4995faea57fed22a8f0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:27.013663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087179/publication.md
observed bb41b648b98b7fd08f66f475f5b79c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:26.994277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087179/publication.txt
observed 5cd59e1baf3e313c4cdbf38352cff7cb...
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.