OpenTechnical

OT-2026-000066381

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000066381) never changes.

Identity and time

Publication numberOT-2026-000066381 · never reused
Internal UUID01a0ae8e-ce40-7e41-aaa2-10106ae5413d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066381
StatusPUBLIC

Content hashes

Canonical text8fa74beef89e288059c3e25e6804856dc4b5ce0ae0fecfe913ae28730cbbc7ae
Markdown60399df8dd4d1312100dd72850f0b52b99a2e31e3e295fe666489fc0d0b08597
PDF
Publication page652abbacdd9a0f2a4f37a2f0eb0528170c543a2ee5701dea01a17a4ecd613227
Manifest772adbdaf7ddb3383eb96385ac8a5d091d61c0e93f5de96f7701490043fb1198

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
SignatureSTp2fs0AX9Q2S97O5W3g4hmcTLblwHZe9OFaV2wdza/SMi2b5ZH5H8AvUXqJzrW51ZQbNNaoYVXzgVFsw6LsDQ==
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

2026-09-17T10:32:31.101314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066381
observed 652abbacdd9a0f2a4f37a2f0eb052817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:31.083852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066381/manifest.json
observed 772adbdaf7ddb3383eb96385ac8a5d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:31.067644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066381/publication.md
observed 60399df8dd4d1312100dd72850f0b52b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:31.046357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066381/publication.txt
observed 8fa74beef89e288059c3e25e6804856d...
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.