OpenTechnical

OT-2026-000026834

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000026834) never changes.

Identity and time

Publication numberOT-2026-000026834 · never reused
Internal UUID01a0ae72-3452-725a-8955-ccac2db763af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026834
StatusPUBLIC

Content hashes

Canonical text10fe4c82dc1e3b0e2561900fa8f7d3d0ec1be9f85a7d5c34d45bafa1ee85718b
Markdown96376da3626fcea45e45936c62ab126156de20e7d6aa3c98f43c58d5efaa05a4
PDF
Publication page6e095adc8d365cafe427012614d7cc322373fb108b122215a3ef0154d3a926f0
Manifestdb0db51b28b5c5cf57a02427aac2501e86743e594c85762cf2fde3788ab2e4c0

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
SignatureyK+n3skcyCErJZ/R9gr9j8MrByALbRb7XTX9i6Oz8rl7jdVl/Qy+RejNFwqZEsBvH6WnkpggzmMdznbFGKezAQ==
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

2026-09-17T11:43:25.169722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026834
observed 6e095adc8d365cafe427012614d7cc32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:25.152803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026834/manifest.json
observed db0db51b28b5c5cf57a02427aac2501e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:25.137377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026834/publication.md
observed 96376da3626fcea45e45936c62ab1261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:25.119783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026834/publication.txt
observed 10fe4c82dc1e3b0e2561900fa8f7d3d0...
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.