OpenTechnical

OT-2026-000083767

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, sustained 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-2026-000083767) never changes.

Identity and time

Publication numberOT-2026-000083767 · never reused
Internal UUID01a0ae98-0417-7ba8-a776-9c5fa407821f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083767
StatusPUBLIC

Content hashes

Canonical textfb65c12f6549e2cdf6eb8b623bf7ee1959e0b54f9a2d1ba0e14ec3f1533cb843
Markdownc121e4c25930b146c4413aa4be7ef83c25f5bc4bf9fe6951663d7b01948b7caa
PDF
Publication page338d9df457551dd1e489222f337278b8f57477063afa0c1b8b9185c9b0843409
Manifest695535fe92eefbcdcc948aed036f66de4c72567089ceef792cc06ebdddd512af

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
SignaturepK/FnJp8/KSI+rusAO5nZSvI2dG8yz1/hVyqwwOpeR5P7hogKNHUp1tFWmGaQBF7t0wwveXQPIx/C5+/2vNoCA==
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

2026-09-18T00:42:35.930815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083767
observed 338d9df457551dd1e489222f337278b8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:42:35.584983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083767/manifest.json
observed 695535fe92eefbcdcc948aed036f66de...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:42:35.427304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083767/publication.md
observed c121e4c25930b146c4413aa4be7ef83c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T00:42:35.280744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083767/publication.txt
observed fb65c12f6549e2cdf6eb8b623bf7ee19...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.491778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083767
observed 338d9df457551dd1e489222f337278b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.476227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083767/manifest.json
observed 695535fe92eefbcdcc948aed036f66de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.458081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083767/publication.md
observed c121e4c25930b146c4413aa4be7ef83c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.440927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083767/publication.txt
observed fb65c12f6549e2cdf6eb8b623bf7ee19...
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.