OpenTechnical

OT-2026-000075630

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented before set-down

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-2026-000075630) never changes.

Identity and time

Publication numberOT-2026-000075630 · never reused
Internal UUID01a0ae94-29fd-702c-be9f-f2d4f48c850b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075630
StatusPUBLIC

Content hashes

Canonical text83db0d3ad54f9b504c448c34a76fe0a9f92072a977953495dc9d87307e8af49b
Markdown037db865301158814b76a4b3744da6b274da69e4b82cfe499fe1c7e532458d02
PDF
Publication pagece912258a5128ee426bc5fd9122c23a0b82f36fe99ccc0a9e2be0407ff029333
Manifest7ced8ed148f4499494b3982e82a3fc88b29783e6ad6b0e97a94f93737cf974bb

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
SignaturencyRjQc06jbAu3QZFfaXVMZDj7RSpigGwrHCbDPs7mVmmQ1vecvM7XxOkgcMHssorimPEf7aZFCkL8nKRp0MCA==
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

2026-09-17T10:13:22.560174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075630
observed ce912258a5128ee426bc5fd9122c23a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:22.541743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075630/manifest.json
observed 7ced8ed148f4499494b3982e82a3fc88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:22.522903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075630/publication.md
observed 037db865301158814b76a4b3744da6b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:22.504253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075630/publication.txt
observed 83db0d3ad54f9b504c448c34a76fe0a9...
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.