OpenTechnical

OT-2026-000077129

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000077129) never changes.

Identity and time

Publication numberOT-2026-000077129 · never reused
Internal UUID01a0ae94-f507-76f3-9b18-0e43559091c8 · 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-2026-000077129
StatusPUBLIC

Content hashes

Canonical text88ddadd412d4b0d063701f60220208e34625d82e5abff125cd1c74dc78a1d27a
Markdown80da4794e3a05a1da2b14f49a40cd6a402c8c4ada9ec4468197f1df9c10d4a22
PDF
Publication pagedfdfa3e5e7b72fe4cb0afe0156c5b9f6a705b4f0b3624f655c2f8dc5afd74722
Manifest595ad2e849406c10858c7f36259806d1497966bab95b5ad2ae46416416e2df83

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
SignatureRWDo+eKimRG2YcsXSJ+HeC4ZadYoh5yw+3yLwJcjzWEOA2xxgTnVikTS5M31wM6YecTehA+Devpo68Ia4smHDg==
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

2026-09-17T10:11:41.190457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077129
observed dfdfa3e5e7b72fe4cb0afe0156c5b9f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:40.542254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077129/manifest.json
observed 595ad2e849406c10858c7f36259806d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:40.518245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077129/publication.md
observed 80da4794e3a05a1da2b14f49a40cd6a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:40.495017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077129/publication.txt
observed 88ddadd412d4b0d063701f60220208e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.119123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077129
observed dfdfa3e5e7b72fe4cb0afe0156c5b9f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.100166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077129/manifest.json
observed 595ad2e849406c10858c7f36259806d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.081784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077129/publication.md
observed 80da4794e3a05a1da2b14f49a40cd6a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.064215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077129/publication.txt
observed 88ddadd412d4b0d063701f60220208e3...
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.