OpenTechnical

OT-2026-000090232

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000090232) never changes.

Identity and time

Publication numberOT-2026-000090232 · never reused
Internal UUID01a0ae9c-428f-7269-8bce-e9ab2da9b970 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090232
StatusPUBLIC

Content hashes

Canonical text505568cec358a61d02f5b7fae5a74e3bda3a60031fdfcf0467a91316e417f4d3
Markdownd424c3cc2f5822162c2cb531d9a9bc7d6085d386d390a51e7a1c4abf7f3c10bb
PDF
Publication page9f42eab90fb7a828e0ee9cb7099f9c840bca107bf76793c50c2940c9224b0bd7
Manifestf38288ced2e832c08a9ddfbce91c5bb0e52491db3b9bc84a341b08a27e00b916

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
Signature28WQqXAjCqiHQH6Av07KIzWFDsR3Elngpr+G9/PRelXDnMC8Ww3oiQ0tqfKIsGDmDclfHxK72yFPBDtGBvAzAw==
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

2026-09-17T09:46:18.889020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090232
observed 9f42eab90fb7a828e0ee9cb7099f9c84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:18.871025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090232/manifest.json
observed f38288ced2e832c08a9ddfbce91c5bb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:18.853893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090232/publication.md
observed d424c3cc2f5822162c2cb531d9a9bc7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:18.835277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090232/publication.txt
observed 505568cec358a61d02f5b7fae5a74e3b...
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.