OpenTechnical

OT-2026-000072485

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000072485) never changes.

Identity and time

Publication numberOT-2026-000072485 · never reused
Internal UUID01a0ae92-89d8-7fa3-8314-a8f7b1009627 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072485
StatusPUBLIC

Content hashes

Canonical textad6ef7000df180f8726d7b77fee8a5b87a127ede963d95b16bbfa3dfb0a0f280
Markdown3b48a36a7c51dffe6c65c457a320164a61aae3b269e3120559da4c0fcaf77907
PDF
Publication page732ce7ceb8197a48e38689c24b1c09ff525201cc7494ec919a7328ebec181a66
Manifest6485011008af4a27412a39e37025fd5f6f6b1d0dd2be25325c4afb72453c5813

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
SignaturelWd2K0bwKmsRhq5QaMB21Ojq2KDLVJzkjRJrmhJxF52WjaoBBAhNc4k/LnYrFN0QLVcYseVbSJoAi+JRs4KSDA==
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

2026-09-17T10:22:18.705936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072485
observed 732ce7ceb8197a48e38689c24b1c09ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:18.687526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072485/manifest.json
observed 6485011008af4a27412a39e37025fd5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:18.670911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072485/publication.md
observed 3b48a36a7c51dffe6c65c457a320164a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:18.653600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072485/publication.txt
observed ad6ef7000df180f8726d7b77fee8a5b8...
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.