OpenTechnical

OT-2026-000043282

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000043282) never changes.

Identity and time

Publication numberOT-2026-000043282 · never reused
Internal UUID01a0ae7b-327d-754f-9e15-a0c4ad78fba3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043282
StatusPUBLIC

Content hashes

Canonical text90285474f694f5964d2bb8b46282650b2a3f51fed74f6b0abfdbc04ffb72338e
Markdowndacf31d8b016f280a913630de4e8c52eaddfee179eb0d4c203c8535c53e9d0bc
PDF
Publication pagefb1aef848b5f4f4d18ba06dcebd9bd03c088ff4c746bc28bdaedc1bd08e27387
Manifest55a5e8daa7a65b9fea4a7efc8b07813f16a5b7d68fa0ab97a6680c48f9688dc5

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
SignatureshkUQOQgw2C7gNChGAzd5qFPh6CU/hX+2JRRlKjsHIr+bvmHDsVjCMDKaU5FhsnfX6vuPRDiDemU/y8xzQs8DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:46.355200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043282
observed fb1aef848b5f4f4d18ba06dcebd9bd03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:46.335108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043282/manifest.json
observed 55a5e8daa7a65b9fea4a7efc8b07813f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:46.314512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043282/publication.md
observed dacf31d8b016f280a913630de4e8c52e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:46.295348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043282/publication.txt
observed 90285474f694f5964d2bb8b46282650b...
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.