OpenTechnical

OT-2026-000081111

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, sustained blow-off before set-down, on a tool changer

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-2026-000081111) never changes.

Identity and time

Publication numberOT-2026-000081111 · never reused
Internal UUID01a0ae96-b977-7fe4-b7be-f93afb799772 · 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-2026-000081111
StatusPUBLIC

Content hashes

Canonical textead15987d4eba6b1ab7896a7ce636e261f07d360510ecd9d25989a6802e1438e
Markdowncca814285ef64742d01ebdda343477ce4ca06e822ac92f497f623145747da7a7
PDF
Publication page6d663915546915d3b7da72442fcdf58e89b4ac183c3e534d83c132e0523a2484
Manifest913e5d4ca31e05acfec0304bc9556739bb3ce46f559d164529eac0629dff16b4

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
SignatureiohCBGFvFlzeU/81rniaV1Z9Pyx1vjhiv9UtL6HzpRoGcvfnAzycDjRci1mU/D2P+ZMHZmTx32E4VVLba/AHCw==
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

2026-09-17T10:02:25.164271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081111
observed 6d663915546915d3b7da72442fcdf58e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:25.147206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081111/manifest.json
observed 913e5d4ca31e05acfec0304bc9556739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:25.130676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081111/publication.md
observed cca814285ef64742d01ebdda343477ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:25.113006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081111/publication.txt
observed ead15987d4eba6b1ab7896a7ce636e26...
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.