OpenTechnical

OT-2026-000089010

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000089010) never changes.

Identity and time

Publication numberOT-2026-000089010 · never reused
Internal UUID01a0ae9b-8f12-7ef3-83fc-cd0e9a639084 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089010
StatusPUBLIC

Content hashes

Canonical textd49fa6132f45e799bc46c4c09c56dd904650c7fb8546e64521d28bc86f9b3c4c
Markdownaa77c65e8c8f607d18ab40574682890b7fbb12df95470794eb82a02efad7527a
PDF
Publication page9cafc7fb01ef70a5382e4c2b5acae880f2f33a5c94d50ddfb8431255674c57ea
Manifestb827571c16f6e42a06b7120b19db8877e8684690700af8a329b1a1724fcd84b3

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
SignatureqgQyjSinkWjs/7VmVi2Fnh00F4dW9fhaJ7xILnjojL72t/jR9SgTy9JS5QAGD1WxzIE9gaBFsuIgp/Apj8hODA==
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

2026-09-17T09:48:30.857829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089010
observed 9cafc7fb01ef70a5382e4c2b5acae880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:30.838734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089010/manifest.json
observed b827571c16f6e42a06b7120b19db8877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:30.818728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089010/publication.md
observed aa77c65e8c8f607d18ab40574682890b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:30.801318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089010/publication.txt
observed d49fa6132f45e799bc46c4c09c56dd90...
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.