OpenTechnical

OT-2026-000080755

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000080755) never changes.

Identity and time

Publication numberOT-2026-000080755 · never reused
Internal UUID01a0ae96-b974-7f8e-b919-d13d43e1ed1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080755
StatusPUBLIC

Content hashes

Canonical texte6166c3720e0955514052dc4a80d9c4dc34b4b9f442caf8f191e9fd5df547115
Markdownc983db0fa766fa06da8827a60ab13b7bb15d7e66229cacfae1e91982727a3343
PDF
Publication pageb4bc00fcd33a15e7cf4592c6b51fa63fef01aa509b3e4087f21314ef2801c6a2
Manifest7a46f0920f2bfba3a4bbc3834d47acf859084d512b5bcab64c1053b9fa35be3b

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
SignaturezJs+NHJHP6aEDQ+IEhhmfS82WDbJ3ophgOzZWWRWEo+1zaBAIsr0BONUoDtL3ojgy2KWeVCqqE/Hw6vSvlnpDQ==
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

2026-09-17T10:01:55.086483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080755
observed b4bc00fcd33a15e7cf4592c6b51fa63f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:55.068546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080755/manifest.json
observed 7a46f0920f2bfba3a4bbc3834d47acf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:55.047632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080755/publication.md
observed c983db0fa766fa06da8827a60ab13b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:55.029166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080755/publication.txt
observed e6166c3720e0955514052dc4a80d9c4d...
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.