OpenTechnical

OT-2026-000007889

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000007889) never changes.

Identity and time

Publication numberOT-2026-000007889 · never reused
Internal UUID01a0ae6a-908a-750b-b2f7-68fe5496e932 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007889
StatusPUBLIC

Content hashes

Canonical text93071ede6f62d3809be07ac753a431cbf676f0ac75e2346ca42460a3c7bc741f
Markdown44eb00f2aaae051658c3cef185099a5b7d2259e5a0bb2d9478a276c859fe0d82
PDF
Publication page670d38a9ad37ac0a68e51922132f1e7bbbf0f16a2915c6947b18d0375d14e701
Manifest007ef252b6b7b21b16011b85a0eaac4a2f1da5a466dcd62a89ca2df5a7cebbe6

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
Signature6WX5roPjuVaYyGE8Jv2wX9Ec0xiresiYpK7sw7D/RYhaLhE22oLfaWyEWUnXrw2yCJTg8mI9QlOpHEPBzcA+BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:21.022754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007889
observed 670d38a9ad37ac0a68e51922132f1e7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.002913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007889/manifest.json
observed 007ef252b6b7b21b16011b85a0eaac4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.983847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007889/publication.md
observed 44eb00f2aaae051658c3cef185099a5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.963594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007889/publication.txt
observed 93071ede6f62d3809be07ac753a431cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.695563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007889
observed 670d38a9ad37ac0a68e51922132f1e7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.673231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007889/manifest.json
observed 007ef252b6b7b21b16011b85a0eaac4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.657202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007889/publication.md
observed 44eb00f2aaae051658c3cef185099a5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.640240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007889/publication.txt
observed 93071ede6f62d3809be07ac753a431cb...
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.