OpenTechnical

OT-2026-000095053

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000095053) never changes.

Identity and time

Publication numberOT-2026-000095053 · never reused
Internal UUID01a0ae9f-2df0-75e9-81e0-10f1f4fcd74c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095053
StatusPUBLIC

Content hashes

Canonical textb1de040e57e8c6af85ba234005ffb3d3feb9b0ee2c1660574452fd5ffff02c74
Markdown9a903977132b402905c6648b2565b18b905cd8a5611c4be860dcfde5051d0f0e
PDF
Publication pagef5c6b089ed2d84553620a8c0fff4ef1db6acd2fadf743aaf91d75bc5f5d0e51c
Manifest97c14ff9f381a04afedcade4e06cb15cb3a073d1b7fdf45f61bcd0c3d7962ef5

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
Signature4CPQ0R8Vcf0OIHdJFsppeHj09cCa24euigUqJXvKP7nC+MP2lMKlueuXDD6nOXLohghTA8y6BsxX0nM32fajBA==
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

2026-09-17T09:37:37.129793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095053
observed f5c6b089ed2d84553620a8c0fff4ef1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:37.113883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095053/manifest.json
observed 97c14ff9f381a04afedcade4e06cb15c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:37.096174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095053/publication.md
observed 9a903977132b402905c6648b2565b18b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:37.076895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095053/publication.txt
observed b1de040e57e8c6af85ba234005ffb3d3...
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.