OpenTechnical

OT-2026-000076199

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed 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-2026-000076199) never changes.

Identity and time

Publication numberOT-2026-000076199 · never reused
Internal UUID01a0ae94-6a6f-7de4-b17d-16aaa55d0021 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076199
StatusPUBLIC

Content hashes

Canonical text1935d0ac1d64d199de7036e9e57465df611c2188086dcbcc36e916264930e155
Markdown7f557bfe0fca579dc1fa0d59d2116f00888e0ffe878fe534342eb9879c733796
PDF
Publication pageca7ca22bddb4d78d0a74a7634e05b391456a905491a89f59ad65d3b76e49c934
Manifestadfb20f019b88b3c516603ff4b0b18d00359e5fc39716530388a8f8aa50ae3e8

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
Signature7Rnzb1lwQRXRdEuFQ+poZHX8JoyRxPYYESK6yq+Fks2FhHI7UKCgkH5WyMqgv+UWobW7ncchXwNcFGoB3BG1BA==
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

2026-09-17T10:11:32.519673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076199
observed ca7ca22bddb4d78d0a74a7634e05b391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:32.499090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076199/manifest.json
observed adfb20f019b88b3c516603ff4b0b18d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:32.479833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076199/publication.md
observed 7f557bfe0fca579dc1fa0d59d2116f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:32.457593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076199/publication.txt
observed 1935d0ac1d64d199de7036e9e57465df...
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.