OpenTechnical

OT-2026-000067842

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000067842) never changes.

Identity and time

Publication numberOT-2026-000067842 · never reused
Internal UUID01a0ae8f-c4fb-75bc-8095-904f970c9c5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067842
StatusPUBLIC

Content hashes

Canonical text4f2af3fa90788538e81b314e36b574ee78c54bb80548dca11b71eed27c4ceaa9
Markdownc68c61bb713d526b081e7890fa38d9027b5b7400685333927bce28ecf54d6ed0
PDF
Publication page780f8c13c120ce38cf875323208082d9b3303d6ca110d9f018a2d6fdd4075148
Manifest3b1077125ca1dc5090959bc350fd6cc131bab16e35040d1335c6bcd7c81eed14

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
Signature0wGoRug1dWK1J7ZXVeh6eo9DyT/2cHceUkcBOzijx3k1alDf3vbcpJbKXAsih8e8Il8H3/GXr1OHZ3B0tWS0CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:05.916915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067842
observed 780f8c13c120ce38cf875323208082d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.898559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067842/manifest.json
observed 3b1077125ca1dc5090959bc350fd6cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.878912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067842/publication.md
observed c68c61bb713d526b081e7890fa38d902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.859210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067842/publication.txt
observed 4f2af3fa90788538e81b314e36b574ee...
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.