OpenTechnical

OT-2026-000007318

Publication integrity record

Porous face vacuum gripper, two stage ejector, contact triggered, pulsed blow off before 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-2026-000007318) never changes.

Identity and time

Publication numberOT-2026-000007318 · never reused
Internal UUID01a0a97a-7d77-70ff-bbe0-e1a3e1891ef6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:09:32.154306Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007318
StatusPUBLIC

Content hashes

Canonical text38bb9768b88b770bbe4a8c4a3b00487761ed1296048f072f01e90be059713fb6
Markdown749e355bf70d0f60aaf4c2df1ff76c62a00b869ccc19f58309ad7841364ed616
PDF
Publication page3f104646e5f354a21697d6195694b6bb318551a8e21d3938d76c40a7fa7ed2ed
Manifest497771f00dcd78ac03a2707340537e259cf39c9372acd22cbcb1adc1b9eaff15

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
SignaturelusrvgOTTKu6QgkETN1rQM4yMyMUNVlxa3TGFeaYPEFdFTI3ZHEdJo2sW6/oOGos4N/PctkHwVk/U7ypevNfCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:04.458312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007318
observed 3f104646e5f354a21697d6195694b6bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:04.445625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007318/manifest.json
observed 497771f00dcd78ac03a2707340537e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:04.433732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007318/publication.md
observed 749e355bf70d0f60aaf4c2df1ff76c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:04.422284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007318/publication.txt
observed 38bb9768b88b770bbe4a8c4a3b004877...
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.