OpenTechnical

OT-2026-000103189

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pulsed blow-off 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-2026-000103189) never changes.

Identity and time

Publication numberOT-2026-000103189 · never reused
Internal UUID01a0aea4-be3e-7fa0-a70e-698abb9f0365 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103189
StatusPUBLIC

Content hashes

Canonical text6759e711899e5df423d60d939ebf4e15dbe440307fe8688efd723b095446836c
Markdown7a653471f009c5b8f54940b0b48e5881b091a64d6474ee8d44a38802726f06fb
PDF
Publication page5d46339343cde3344995b7a7b200e8f7d0f68b33abf42e22c8c06bf7e066eb79
Manifestd634ed1247c524b6728b2ebe795567515c291753999f26a7a960ec76345df831

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
Signature9ViOSXstPCdrbr8WUEFwkYqN8xc//071YkJfdJ0etIQdIDSoVXFjFp7KyIsAGBuwtZxD+3d2YezZ8g5Dc55jAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:24.726393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103189
observed 5d46339343cde3344995b7a7b200e8f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:24.709585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103189/manifest.json
observed d634ed1247c524b6728b2ebe79556751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:24.692578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103189/publication.md
observed 7a653471f009c5b8f54940b0b48e5881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:24.658937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103189/publication.txt
observed 6759e711899e5df423d60d939ebf4e15...
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.