OpenTechnical

OT-2026-000095563

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000095563) never changes.

Identity and time

Publication numberOT-2026-000095563 · never reused
Internal UUID01a0ae9f-8f75-7070-852f-de45c148989b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095563
StatusPUBLIC

Content hashes

Canonical text36b293c04ea20941ba9d5cae4da743c22761f4cff516a6cb16af5ca16c1c3efc
Markdownea7a846491132976fd6a02037db63ab37e773fd7047893d81f76aa8f9fc08daf
PDF
Publication page81f7271daba09106a9c6708d073be20233e8249b3f5fe3672d12b60a71c123a8
Manifest89b1436250fd1a91e76c77d4bc8270c01b6917c3acc29bdfa435e84943b20a82

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
SignaturevU3xGS9VAMVzA1dz3aj/pNULVK10yOkamSzQ/BDer+bTWfwApGe5JKS670hyngoHYlvxQyHK4dcmRrVEXzEPBA==
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

2026-09-17T09:36:58.734441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095563
observed 81f7271daba09106a9c6708d073be202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:58.717601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095563/manifest.json
observed 89b1436250fd1a91e76c77d4bc8270c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:58.701792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095563/publication.md
observed ea7a846491132976fd6a02037db63ab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:58.683694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095563/publication.txt
observed 36b293c04ea20941ba9d5cae4da743c2...
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.