OpenTechnical

OT-2026-000091077

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000091077) never changes.

Identity and time

Publication numberOT-2026-000091077 · never reused
Internal UUID01a0ae9c-c012-7709-841c-6c94147d293d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091077
StatusPUBLIC

Content hashes

Canonical text0fedd5c83e8de0e7da60844b7e7f2463a677958f94430e65b8a14d7f478e2a34
Markdownf2a2652fbe610038e05fc1aed8ad825ddd0bd9c82003788a7acdff3590019aac
PDF
Publication page2e7f4c98ee922d90e8c2da611810feb295343d9a53222be0bdae4fe5fd7ff7b3
Manifestf710355d82ed505a583bbd8e89d8a6dcfd7bedef09ea933897743860cac853be

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
SignatureRn2z5Ta6p4MxjMLcJQ4SfE8Xvn3AatLCUkOqiXYrRlucrCwr+g30Jc7vKv652G15zQclGVFt2o+T1o6FEZr+AQ==
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

2026-09-17T09:44:19.323824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091077
observed 2e7f4c98ee922d90e8c2da611810feb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:19.306190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091077/manifest.json
observed f710355d82ed505a583bbd8e89d8a6dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:19.290790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091077/publication.md
observed f2a2652fbe610038e05fc1aed8ad825d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:19.275381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091077/publication.txt
observed 0fedd5c83e8de0e7da60844b7e7f2463...
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.