OpenTechnical

OT-2026-000070052

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000070052) never changes.

Identity and time

Publication numberOT-2026-000070052 · never reused
Internal UUID01a0ae91-1861-7ceb-9790-58d42de12276 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070052
StatusPUBLIC

Content hashes

Canonical text93ac8e5d0947da69709c2eb43c2ad1e4771f21351132a3b699ba88154e2bcc59
Markdown770fc5d79d09d06f9656adb2de4bd74fad4fc4e8ed619346ceb9b7ec78c016c6
PDF
Publication page0e152f9aece06099ac6504439b1cd85bd434d98d2966a22b250cfc14adf73445
Manifestbbf8cba85110a38b8f60022ac52f82e9f01324ed4faef2c7b93f07b87449c6a1

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
SignatureVjprOV1wch11amcObcSMcGO3wYDEmlupkY/S9Yu/jSgeymLirI049+76U0Ww8w8xnWxCpR6R6kHiqwPQebrMBA==
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

2026-09-17T10:27:00.538748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070052
observed 0e152f9aece06099ac6504439b1cd85b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:00.521778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070052/manifest.json
observed bbf8cba85110a38b8f60022ac52f82e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:00.504617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070052/publication.md
observed 770fc5d79d09d06f9656adb2de4bd74f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:00.483779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070052/publication.txt
observed 93ac8e5d0947da69709c2eb43c2ad1e4...
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.