OpenTechnical

OT-2026-000090392

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000090392) never changes.

Identity and time

Publication numberOT-2026-000090392 · never reused
Internal UUID01a0ae9c-7f2d-719a-ad76-002deca0febe · 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-2026-000090392
StatusPUBLIC

Content hashes

Canonical text9d9aa0540ce3c527f68129d8db20ff8a1183a10d1fe9e22df4eac62fff93e1c2
Markdown5d3cb6de28ec9d530e480585ae5404a6a74e986d0e1a03016d99298afb889b32
PDF
Publication pagec801f77cfc03ec671179a23630c7810a683ae25972369da2976a6899bb349c4c
Manifestc21f153b110fd080d968639654e86df3ade0c9efb8d7bca050949b9c209acbb3

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
Signature0fv86/CSHFfBjFIEU1yAU7z8+8AOMNLFz2EAfCxWYPOQboZrBT6/+EBQGzAT9nC6ww+PgyEyyb3L+Mm/PGNQDQ==
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

2026-09-17T09:44:29.997872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090392
observed c801f77cfc03ec671179a23630c7810a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:29.979618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090392/manifest.json
observed c21f153b110fd080d968639654e86df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:29.961604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090392/publication.md
observed 5d3cb6de28ec9d530e480585ae5404a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:29.942133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090392/publication.txt
observed 9d9aa0540ce3c527f68129d8db20ff8a...
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.