OpenTechnical

OT-2026-000067119

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000067119) never changes.

Identity and time

Publication numberOT-2026-000067119 · never reused
Internal UUID01a0ae8f-14ff-7933-9061-c462975092d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067119
StatusPUBLIC

Content hashes

Canonical text60644a659c5c7f924e644ae3b546e839d2fee9eaceee9c4e65d9a139a66bcc7a
Markdownaca8e6b9bcb79f22d4996d9e94bb3f81844c7d841bd6f7f86142d1f8cb6d75b1
PDF
Publication page39ff8ea4115702f2f9af695c4ac7be74d0b0bfa4d4bf3b9d4ae1adce7d9bcf5e
Manifest667608f5dcb3b85e22b2ed9456db9004e95a8d74f932b477f95bc75cccef1786

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
SignatureRrt2NLKmF8hggHPZr4/e5+bs6Nxe63tJVylmQN8zNESeua+QMRS6QKp8nXWM5vk6jOkVqZmqCXyHhxf3t/oVCA==
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

2026-09-17T10:32:23.429165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067119
observed 39ff8ea4115702f2f9af695c4ac7be74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:23.411452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067119/manifest.json
observed 667608f5dcb3b85e22b2ed9456db9004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:23.394666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067119/publication.md
observed aca8e6b9bcb79f22d4996d9e94bb3f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:23.376713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067119/publication.txt
observed 60644a659c5c7f924e644ae3b546e839...
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.