OpenTechnical

OT-2026-000081093

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, sustained 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-2026-000081093) never changes.

Identity and time

Publication numberOT-2026-000081093 · never reused
Internal UUID01a0ae96-b977-7097-946c-39ca9a6c0751 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081093
StatusPUBLIC

Content hashes

Canonical text28a28adbc68d6052509d559f09b71b55dffbb497ec6b1bc43f05344afd4241a6
Markdowndec59b670c32a9e39ee8f9b974c325d111bca0634ab236d1fc024678e4ac4011
PDF
Publication page47cfcd7dc4481a81dda09d9e98c935d212191383e02fdcaf04efda08cd89c1db
Manifestb82d7b87ed3e064ba74c1765862e0e5c6b080b07f91c16cce339c255ffe5f850

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
Signature+YjZSXFzQnHV2n+eSJxObI3y70KAhBlmvUsM6nfSiQ5I3wlXBpWW7rpAsUj0yfH5B/xQDsLbUyxIp49aq34OAA==
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

2026-09-17T10:02:23.878813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081093
observed 47cfcd7dc4481a81dda09d9e98c935d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.860367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081093/manifest.json
observed b82d7b87ed3e064ba74c1765862e0e5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.843301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081093/publication.md
observed dec59b670c32a9e39ee8f9b974c325d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.826991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081093/publication.txt
observed 28a28adbc68d6052509d559f09b71b55...
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.