OpenTechnical

OT-2026-000090767

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000090767) never changes.

Identity and time

Publication numberOT-2026-000090767 · never reused
Internal UUID01a0ae9c-7f31-791f-bc3c-7784c0b71e30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090767
StatusPUBLIC

Content hashes

Canonical textdf302618c6b8364c460d0feb0fb4d600bbdbfe7b5c1ce78edf6d35766d2bb626
Markdown47d192102fba67641459ac57303cf58d858b14b24ae0ed021fc0da563182724b
PDF
Publication pagec6a9cdaad9237a4d59475d83c41ce374cdea71800c1c810ded6a481d946636f0
Manifest86d1e56e257b275b8a01ef82760c57ac1c9cb3e88c34f393ce1b5502b679d4ae

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
SignatureZ/2PdnofjlFzcfuskNcTJioR/BCERGpTuhIGwdRWbXw7JYdOrMZGAh4wMkzsXNpOj/SnMZPpNly//xtadJBRCw==
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

2026-09-17T09:44:58.007355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090767
observed c6a9cdaad9237a4d59475d83c41ce374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:57.989600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090767/manifest.json
observed 86d1e56e257b275b8a01ef82760c57ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:57.971084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090767/publication.md
observed 47d192102fba67641459ac57303cf58d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:57.950457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090767/publication.txt
observed df302618c6b8364c460d0feb0fb4d600...
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.