OpenTechnical

OT-2026-000089510

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089510) never changes.

Identity and time

Publication numberOT-2026-000089510 · never reused
Internal UUID01a0ae9b-db02-7908-9e8f-082b7b63116f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089510
StatusPUBLIC

Content hashes

Canonical text29eaa1f3f0c864f1b3ed63eab7221a7a1eea3dbfe4d5d50a7e58fa81498f4bfc
Markdown81004fa09082b9c8c3f94f58adff9da8d6e97685cf616d4aaa27c0d6395d99f5
PDF
Publication page2066ea0d3aa303b06ca1a015120f966d284ee89b35e26cb81464190f7211f070
Manifestd4102f02a7e11939450b96b225416273440c8b1b0afb7c62fc0aceacc5dab7ae

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
SignatureTrF47OuQ7Pl4ryXGTAbPhsx/9veytJeQ9BjFzAd9QsumMyg2ULIHQRGiZRoVH7aRmR6IfQYIwrgm9dEKa3rgBw==
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

2026-09-17T09:47:39.942664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089510
observed 2066ea0d3aa303b06ca1a015120f966d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.924531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089510/manifest.json
observed d4102f02a7e11939450b96b225416273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.906856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089510/publication.md
observed 81004fa09082b9c8c3f94f58adff9da8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.889676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089510/publication.txt
observed 29eaa1f3f0c864f1b3ed63eab7221a7a...
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.