OpenTechnical

OT-2026-000079148

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, vented 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-2026-000079148) never changes.

Identity and time

Publication numberOT-2026-000079148 · never reused
Internal UUID01a0ae95-ccbf-7eeb-924d-1b203371b84d · 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-2026-000079148
StatusPUBLIC

Content hashes

Canonical text93869f5ec38865fb7ae0fdac9ebcc4817f46da806e1064ac5b0ca489a99274cc
Markdowned6ff029cffa77d7397cc22449d1f4a5077a55d5b85aa7f1919487e2b91c66f6
PDF
Publication page46028c87227b0be39ff67e700386ff05efeee6ba71f8f67e6c6339d6f2bb21fe
Manifestfcce71a26b9a4c9bc79cc67591733ad8f42cb80b310eb70a6dfb52371b7af30d

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
Signature55S+qk8riJ/yu5N55F7kbPuZD0KPlRFW0SwfFqajM7dw0V/wdMw94GjbGJpwce1C3YMJuZ4p9uFx5FHHfTjJAg==
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

2026-09-17T10:05:59.875513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079148
observed 46028c87227b0be39ff67e700386ff05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:59.858326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079148/manifest.json
observed fcce71a26b9a4c9bc79cc67591733ad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:59.840612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079148/publication.md
observed ed6ff029cffa77d7397cc22449d1f4a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:59.822851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079148/publication.txt
observed 93869f5ec38865fb7ae0fdac9ebcc481...
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.