OpenTechnical

OT-2026-000077245

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000077245) never changes.

Identity and time

Publication numberOT-2026-000077245 · never reused
Internal UUID01a0ae94-f508-73a3-9554-a0f6c9bae2df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077245
StatusPUBLIC

Content hashes

Canonical textf6f71a0f6d0c06fd6b076a61fc06b337b63b368a2d8aac4d91a29ba45610bec5
Markdownab78a1d0f7f4f6f1be9470d0180f2e70fb54fe6e7c8ee249cc94090f28e4976e
PDF
Publication pageca57a075d32bba9c802cad644238223a218e020b27ac8fe5e734f9e833f0c6b5
Manifestb921869e522369405d83b96bc5ed11ef27033a91a7cde12ccaee1b21be5d6a49

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
SignaturesTlQwTDfDgLfqPDOwMgU8SyHYbvDE+bKy1Uyc89Jsv49qIOYcfPK24hlXmQ3yWMRQVt0k1rukyWI4jj8nXzrAg==
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

2026-09-17T10:08:51.702780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077245
observed ca57a075d32bba9c802cad644238223a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:51.683745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077245/manifest.json
observed b921869e522369405d83b96bc5ed11ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:51.664775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077245/publication.md
observed ab78a1d0f7f4f6f1be9470d0180f2e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:51.644562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077245/publication.txt
observed f6f71a0f6d0c06fd6b076a61fc06b337...
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.