OpenTechnical

OT-2026-000033458

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000033458) never changes.

Identity and time

Publication numberOT-2026-000033458 · never reused
Internal UUID01a0ae75-a38d-7e29-87c5-902881001657 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033458
StatusPUBLIC

Content hashes

Canonical textf5068edc78f5cb6f925d4046b33fbaa87652c7a6a3c7c515a2bd8f6dfa8ae270
Markdown8d8aa61c8377574ab6eab59dccc883c0f774852c3ea697bc98a63e221b535501
PDF
Publication page8fb576967db6747364ec68de4270af0ccf9f4ffa07ad06b9a51f2b518cb0e9c1
Manifest59689f1a8359cccefced6ca8a32bb091f5828470c8a510ea9e6e4de8d6b9ca42

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
SignaturejVc7yo8yKfRaQOpbjUPcAl9jk/k6q0DRUAPXxp/VOdhexXkES7SvUa8cO1HYMh1T827re+2YzV+J7yYz9QarBw==
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

2026-09-17T11:31:17.719626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033458
observed 8fb576967db6747364ec68de4270af0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.703349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033458/manifest.json
observed 59689f1a8359cccefced6ca8a32bb091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.685808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033458/publication.md
observed 8d8aa61c8377574ab6eab59dccc883c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.646657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033458/publication.txt
observed f5068edc78f5cb6f925d4046b33fbaa8...
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.