OpenTechnical

OT-2026-000095251

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000095251) never changes.

Identity and time

Publication numberOT-2026-000095251 · never reused
Internal UUID01a0ae9f-8f70-7a99-bc42-78bec15d5ddc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095251
StatusPUBLIC

Content hashes

Canonical text8ec54c5ff001f4b7bf7d696e57c4ae6fc13cc39ae1cc5b0278e45b6f3337a6b9
Markdowndfac063d0a3bde64d0c913b0852227c42ef1e582ab68d8617bf4b3739fb7d8af
PDF
Publication pagea8d895515adedc64a60fa7f94d6f77d0423a7c75e9260d03d3af6d341e899043
Manifest15d4bdf68b3de062525346fa143800e0231433cf3126184fb2d614dcf86d80a7

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
SignatureArpeU2cyI/syYOOiE85+XICpcQwXXV2J7MugC6nlZIwiwm99fETUwrSEF7zyAGJvHVN4NKzhFdYSlRJ+bjhkCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:34.693419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095251
observed a8d895515adedc64a60fa7f94d6f77d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:34.676560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095251/manifest.json
observed 15d4bdf68b3de062525346fa143800e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:34.658316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095251/publication.md
observed dfac063d0a3bde64d0c913b0852227c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:34.641011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095251/publication.txt
observed 8ec54c5ff001f4b7bf7d696e57c4ae6f...
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.