OpenTechnical

OT-2026-000027290

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000027290) never changes.

Identity and time

Publication numberOT-2026-000027290 · never reused
Internal UUID01a0ae72-6996-7e65-8a69-48ebc707bb39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027290
StatusPUBLIC

Content hashes

Canonical texta59d535b5be68fe22602062f819953e3e7cfcacb712eb69a4f678132f3a10738
Markdownf20526f3f9a7920fe7e4ca6442b62283bb515d2da2c5aab280df866fe17958eb
PDF
Publication page33c2dc8188bb5bc325b48c80f9040a12ad3e06c02d92c70c88a4d20d846b094c
Manifestbe5792925c5b8d5f446aa08eb6f5b82be41bb3f35fc04217c7125269ef04c8e0

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
SignatureJ+GjtqgbPyXG6z+iSwj8ZZ469g7tPPdx65mcGix3j68016y2800i34VMf2GlW9ot+jnhuPHAOvbMy3lc3HpKBw==
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

2026-09-17T11:42:40.712366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027290
observed 33c2dc8188bb5bc325b48c80f9040a12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.695123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027290/manifest.json
observed be5792925c5b8d5f446aa08eb6f5b82b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.676306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027290/publication.md
observed f20526f3f9a7920fe7e4ca6442b62283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.659937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027290/publication.txt
observed a59d535b5be68fe22602062f819953e3...
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.