OpenTechnical

OT-2026-000077093

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000077093) never changes.

Identity and time

Publication numberOT-2026-000077093 · never reused
Internal UUID01a0ae94-f507-7cde-bd9f-38f3f2b1d3c6 · 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-2026-000077093
StatusPUBLIC

Content hashes

Canonical text5027e16be00a97e594c018aa225eb0f1bba57629d94be91d4f502045bdfed574
Markdown9979dd21bb145ae895ff7c23d724ad042b35c36c4ae3bb00502d5045812747c8
PDF
Publication paged9580c16d6bb49927bd43960a13f58c0c8e57d5e8ceab9d780cf088a4cd00856
Manifest6bd8d32fbb866f99f96dd55f1c2a1760ea3c1e6f64ee74376cdeee45e0a1bcc4

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
Signaturewj6kufZJzZ53GW6yltN+5h69HN+tjGKGuLxb/4MujY0j7EUe/48u5Vt2dOBobx85TGaH5gF+5BMNHSKX3sSOBQ==
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

2026-09-17T10:11:30.966582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077093
observed d9580c16d6bb49927bd43960a13f58c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:30.950299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077093/manifest.json
observed 6bd8d32fbb866f99f96dd55f1c2a1760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:30.809757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077093/publication.md
observed 9979dd21bb145ae895ff7c23d724ad04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:30.791621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077093/publication.txt
observed 5027e16be00a97e594c018aa225eb0f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.201039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077093
observed d9580c16d6bb49927bd43960a13f58c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.181481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077093/manifest.json
observed 6bd8d32fbb866f99f96dd55f1c2a1760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.161809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077093/publication.md
observed 9979dd21bb145ae895ff7c23d724ad04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:33.144369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077093/publication.txt
observed 5027e16be00a97e594c018aa225eb0f1...
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.