OpenTechnical

OT-2026-000018571

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000018571) never changes.

Identity and time

Publication numberOT-2026-000018571 · never reused
Internal UUID01a0ae6e-b48b-7233-b0c7-0ade203bcb81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018571
StatusPUBLIC

Content hashes

Canonical text56cbdd34901667c9f85005211780ebde8989a18914bedecefc8e34c382ce7723
Markdowna4921b3b5ff02ed96c59eb3bd0ab12bf586b0e3ac3e0c9e2148d4889cbee5083
PDF
Publication page2a8fd8965a167f0850adbd70bbf122fe25c70f301e5d26a767ab4a3c07d210d3
Manifest253daf9686bc400992db15912780d8e012188ae9a9e5750f1c0903977cc9f31b

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
Signature2kDxAXldymD4/ToXDxSmPJr0rH0PDJZ573MmEkTnowuaBkUDF0uQEkax3YV6EAL1Mix49Vmw58i4zG7imk6CDw==
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

2026-09-17T12:01:22.409845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018571
observed 2a8fd8965a167f0850adbd70bbf122fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.393033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018571/manifest.json
observed 253daf9686bc400992db15912780d8e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.373402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018571/publication.md
observed a4921b3b5ff02ed96c59eb3bd0ab12bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.354559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018571/publication.txt
observed 56cbdd34901667c9f85005211780ebde...
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.