OpenTechnical

OT-2026-000076053

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000076053) never changes.

Identity and time

Publication numberOT-2026-000076053 · never reused
Internal UUID01a0ae94-6a6e-79a5-be4f-59e40b119d9c · 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-2026-000076053
StatusPUBLIC

Content hashes

Canonical text96b76aa1e091af00ccb09df4be74157b30b399413ce28162f02cb98c34ca151a
Markdownfca126544d7070d6afb7e0ff8d12a7571a1bcb460d2d4e82520e49b1586ea9c8
PDF
Publication page2d58ec0985eb11ef3d58f52bb4ee5456aff419a84eaf86fc750c249070bc5890
Manifest49b650eb75651ce7df0d8e4a018a64d0375044f742894ffd92d0503d76818392

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
SignatureC6BS/dIVGm59wbLIIKdrlfKCqJYtjO+T5djCN+BK6sGW56IKIzIj4ET1lKn7yfhmba0+/wIfQeA1ebN/5BZMCA==
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

2026-09-17T10:10:44.296830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076053
observed 2d58ec0985eb11ef3d58f52bb4ee5456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:44.278496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076053/manifest.json
observed 49b650eb75651ce7df0d8e4a018a64d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:44.258013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076053/publication.md
observed fca126544d7070d6afb7e0ff8d12a757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:44.231082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076053/publication.txt
observed 96b76aa1e091af00ccb09df4be74157b...
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.