OpenTechnical

OT-2026-000022794

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single 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-2026-000022794) never changes.

Identity and time

Publication numberOT-2026-000022794 · never reused
Internal UUID01a0ae70-46ea-7ee4-9b00-e490fef0b370 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022794
StatusPUBLIC

Content hashes

Canonical text30bf6a0c61142f03a6a89bdf7f430720916e8f523c36b096eec26e551f64fd37
Markdown56fb275cd21aeba5126eae370147484dd1d40f2bd7cb880194ee409475c7336a
PDF
Publication pagedb631ebd2884bfd5d707391877a0a754b6ac9e834acb400ed0d10c4aafed98b5
Manifeste43581385ccf6008725178726fe26f26ad99257c762265f8b27cdfea37972f28

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
SignaturelDhFI4RN4nWwD5sNSqQ0lWJz8cc+dTg5NT4v2iz1cbsBhofbToqP9fIspIgnr3vLQ6e3JXm2uWpKZlM/VSw0CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-18T04:23:19.983132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022794
observed db631ebd2884bfd5d707391877a0a754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-18T04:23:19.965231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022794/manifest.json
observed e43581385ccf6008725178726fe26f26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-18T04:23:19.947495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022794/publication.md
observed 56fb275cd21aeba5126eae370147484d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-18T04:23:19.914783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022794/publication.txt
observed 30bf6a0c61142f03a6a89bdf7f430720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:18.968554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022794
observed db631ebd2884bfd5d707391877a0a754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:18.949339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022794/manifest.json
observed e43581385ccf6008725178726fe26f26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:18.929605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022794/publication.md
observed 56fb275cd21aeba5126eae370147484d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:18.910171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022794/publication.txt
observed 30bf6a0c61142f03a6a89bdf7f430720...
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.