OpenTechnical

OT-2026-000090684

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000090684) never changes.

Identity and time

Publication numberOT-2026-000090684 · never reused
Internal UUID01a0ae9c-7f30-7554-b914-a6a5c05e878d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090684
StatusPUBLIC

Content hashes

Canonical text7352dfee959d451b00a0caf990af1ebb4fb08fdf14e291331ebab72397774370
Markdown3384eabbf5446520fd4e712900316dd75b33cbeef08470c1ec2a29a0dad70c2e
PDF
Publication pagec66d979b4742d1824a980dcbb3e907c5352a504a0eb1779d0c34684a35c083ce
Manifest1083694569f7d6e5e6de9c1d192c88cf55e0d758ec48a6722d85508f4db0bd0f

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
SignatureFmU7x0p1QorKBm0aCD6SFLOQZ3zDVgvn9+uaeQLQVsMXfjDos9xp9TbodRagLAuYI65dOGmD3ZClHBzeh9S2Aw==
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

2026-09-17T09:44:52.940759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090684
observed c66d979b4742d1824a980dcbb3e907c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:52.922256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090684/manifest.json
observed 1083694569f7d6e5e6de9c1d192c88cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:52.902763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090684/publication.md
observed 3384eabbf5446520fd4e712900316dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:52.886615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090684/publication.txt
observed 7352dfee959d451b00a0caf990af1ebb...
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.