OpenTechnical

OT-2026-000080695

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000080695) never changes.

Identity and time

Publication numberOT-2026-000080695 · never reused
Internal UUID01a0ae96-b973-7143-b879-8d14a1afe8a3 · 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-2026-000080695
StatusPUBLIC

Content hashes

Canonical text5e33beab455719a4e96cc05c0086246439277308610f7b9357d4b724a8b46c39
Markdown490544b3390a316b7b471bdf565e5de01f0dc39316577261a589017fab057507
PDF
Publication page875d80589d88bb3bf843fa476f2eb3553fa4246f473fc18383bf9017a688c1b0
Manifest0391a8af26a797a9775748a7cd6c484c520ead25b4f366324c30ed778490f252

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
SignatureFiq5onQvY3Muw6aiMbADbb8M16EZsnEpjIwRmHcFllCTGygTbAoT2zEqjy+90PLI/pHAyjqA/XZIbOltYcxiBw==
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

2026-09-17T10:01:43.708918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080695
observed 875d80589d88bb3bf843fa476f2eb355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.692538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080695/manifest.json
observed 0391a8af26a797a9775748a7cd6c484c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.673895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080695/publication.md
observed 490544b3390a316b7b471bdf565e5de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.656325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080695/publication.txt
observed 5e33beab455719a4e96cc05c00862464...
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.