OpenTechnical

OT-2026-000080857

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000080857) never changes.

Identity and time

Publication numberOT-2026-000080857 · never reused
Internal UUID01a0ae96-b974-7586-b5bc-7a45d6a95844 · 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-2026-000080857
StatusPUBLIC

Content hashes

Canonical texta6747a00b8dcf1a0c4fb5bba0ddb2277b2d4fbb4f605313e04f2373ca55a9bca
Markdownf4fa28343adde703e0180d12bb52d179489d20d4a08e2c4df366ff8f6e10f81b
PDF
Publication page4ca0ca9653765875d71d79aa7bbf35a0d3c1859c5626fd1f9652949afc21c610
Manifest21057bce69f0f1acb38d14f5fb4697633aecd6a42b5787ec1b24bdc72c8f69d8

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
SignatureVk4fBkm48mX6/pp9quB+BC2vr1UvDIYahjZgRjki0nK4MUZGLTxCiAGqB5BbOMvJcc0eoCuuO1fQdFKgj+VtAQ==
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

2026-09-17T10:02:03.053554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080857
observed 4ca0ca9653765875d71d79aa7bbf35a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.036163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080857/manifest.json
observed 21057bce69f0f1acb38d14f5fb469763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:03.018912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080857/publication.md
observed f4fa28343adde703e0180d12bb52d179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:02.999383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080857/publication.txt
observed a6747a00b8dcf1a0c4fb5bba0ddb2277...
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.