OpenTechnical

OT-2026-000090598

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three 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-2026-000090598) never changes.

Identity and time

Publication numberOT-2026-000090598 · never reused
Internal UUID01a0ae9c-7f2f-7eca-a3d2-0a65863ce5b1 · 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-2026-000090598
StatusPUBLIC

Content hashes

Canonical textc9850363206ee60f7d3baf8432445597428f8004cc9da71456594008cf1cd80c
Markdownde4dee73eabfa13f01e38e73b33a5d05a1c13306026cde537125b3d2de9f6b3c
PDF
Publication page18b451064eeecc93cb60d0fd0e6579e1340d0991d9b49d84d8cf186cb49acb70
Manifest9418074c6d663069e3301a0bf891636ae679bafdbe6a12a4c10b995fe6f8d8c1

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
SignatureAihJ5qNrmlCKajM8VQLMI3qmbJa3b5dZeRooJMeKLQlJvr4Ut5I3ICg60uTq6v4+bLYtHW8Hw0TWLwLR5eCFDg==
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

2026-09-17T09:44:46.967726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090598
observed 18b451064eeecc93cb60d0fd0e6579e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.949996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090598/manifest.json
observed 9418074c6d663069e3301a0bf891636a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.932230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090598/publication.md
observed de4dee73eabfa13f01e38e73b33a5d05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.914868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090598/publication.txt
observed c9850363206ee60f7d3baf8432445597...
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.