OpenTechnical

OT-2026-000055418

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000055418) never changes.

Identity and time

Publication numberOT-2026-000055418 · never reused
Internal UUID01a0ae86-a101-74c6-8969-a3b8149d2819 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055418
StatusPUBLIC

Content hashes

Canonical text09603aca5ba5c9f71e03173fe8e01ff8bada122756d29a5a200a826eb6b3530b
Markdown4ee65b03c63ce51e7c25cc94a2fc4daf0890a3415095fb1f6b70e006080d971d
PDF
Publication page2b2d06d0c978b8f5f8d583e49705d6c334c3f055ec9026be7dd8255b0643f02f
Manifest34606bc32b05e52e2393c5a6ed016cba3aa2e9a9ef9168ec991daf5c464d45fa

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
SignatureB03j26qf0tITYk4cFNGXftFF6zA2NDjCZ4XDQFo55uqGVU1fNwTJ7mQ6gwPcKt7n/7Y9OfBXjQ8lB0xyeMYMBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:03.799459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055418
observed 2b2d06d0c978b8f5f8d583e49705d6c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:03.779772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055418/manifest.json
observed 34606bc32b05e52e2393c5a6ed016cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:03.761378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055418/publication.md
observed 4ee65b03c63ce51e7c25cc94a2fc4daf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:03.743489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055418/publication.txt
observed 09603aca5ba5c9f71e03173fe8e01ff8...
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.