OpenTechnical

OT-2026-000079017

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000079017) never changes.

Identity and time

Publication numberOT-2026-000079017 · never reused
Internal UUID01a0ae95-ccbe-7be7-a48c-5df80a7c2539 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079017
StatusPUBLIC

Content hashes

Canonical text5ca581d44e516f3b7d2f6d82d300ebcca3bae54d4312e392ace2a47a0e125cf1
Markdownc564a82cce25f7fe074efb33f603b0cc891107cc4fcdb399162a17f66d6b73e1
PDF
Publication paged7dc67c4250182210a2b2dfe36e5154a3165a5728974d47f7445956605eddb7e
Manifestb07e62978a5cf90d00db7ba7d756e66e668f70e05b6f1f5b175f675e7972867d

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
SignatureezCm76FxWjQf9D6taxZ2NNXYsnXi9zukiNVqaot7IsYtt3IawiZ88x/bPHFd/yM+4cS1+vzncuiwRB5EWKt5AA==
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

2026-09-17T10:05:51.259968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079017
observed d7dc67c4250182210a2b2dfe36e5154a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:51.240661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079017/manifest.json
observed b07e62978a5cf90d00db7ba7d756e66e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:51.221621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079017/publication.md
observed c564a82cce25f7fe074efb33f603b0cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:51.198924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079017/publication.txt
observed 5ca581d44e516f3b7d2f6d82d300ebcc...
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.