OpenTechnical

OT-2026-000006255

Publication integrity record

Vacuum cup gripper, common isolation valve, two stage ejector, pressure verified

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-2026-000006255) never changes.

Identity and time

Publication numberOT-2026-000006255 · never reused
Internal UUID01a0a954-9169-7917-9703-d789122f9c62 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:28:06.891755Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006255
StatusPUBLIC

Content hashes

Canonical text374149d782acc9f8ca650dc64207d51924dc2ff643d84d38194d1666db5c9761
Markdown0eae66ffc8ae603c9f28de1abd924e7476bca364a38ef472e4647604db43a526
PDF
Publication page28706efda9c9f6dff2c75c4112e53490b97d706318541d0f5d5773ee64068f6e
Manifest997db6931f5f57f819fe395250e81d5dd2e6332737662fa58eecb8233d3c54b7

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
SignatureTRQZQuE35VpwOBnEsWd2i/1JVYAorq+fPIjzBHZrnheu4TCEkOmhg4MyFJisxkjGDS+yPMc6kT8xWL2iJrg1Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:09.431611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006255
observed 28706efda9c9f6dff2c75c4112e53490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:09.406103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006255/manifest.json
observed 997db6931f5f57f819fe395250e81d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:09.391996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006255/publication.md
observed 0eae66ffc8ae603c9f28de1abd924e74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:09.376011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006255/publication.txt
observed 374149d782acc9f8ca650dc64207d519...
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.