OpenTechnical

OT-2026-000066455

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three 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-2026-000066455) never changes.

Identity and time

Publication numberOT-2026-000066455 · never reused
Internal UUID01a0ae8e-ce40-7222-b75a-97bb80f664b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066455
StatusPUBLIC

Content hashes

Canonical text5e0ee4e9f33df3ef2c65293e30f729e91438795f193d797907dcb4696a74c2a3
Markdown3cfb134ac53779db003cbe7bd23ef35223f6f018c3fedf645b1d3588642f2c95
PDF
Publication page2df213332cb82c06ce60d359cc32d33ae377ba7d3173fe63db1afb8b0c92530f
Manifest2f731f77c0a2035dec3f83f0c200d7d32c502d84cb646731dec3c2107098b632

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
Signaturesm+55U53zxI5daKpN+6nOcNDqPmlQ33wunsrNFAlnr6X8eTQ50JUWR8dODo3/ixrxqfeF4dahtOKagUurxeABw==
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

2026-09-17T10:32:42.207387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066455
observed 2df213332cb82c06ce60d359cc32d33a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:42.191811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066455/manifest.json
observed 2f731f77c0a2035dec3f83f0c200d7d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:42.174844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066455/publication.md
observed 3cfb134ac53779db003cbe7bd23ef352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:42.157311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066455/publication.txt
observed 5e0ee4e9f33df3ef2c65293e30f729e9...
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.