OpenTechnical

OT-2026-000005606

Publication integrity record

Vacuum cup gripper, four outlet manifold, three stage ejector, pressure verified, polyurethane cups, flat form

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-2026-000005606) never changes.

Identity and time

Publication numberOT-2026-000005606 · never reused
Internal UUID01a0a93e-cd49-7803-bb0e-4cf8e5209e90 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:04:20.429446Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005606
StatusPUBLIC

Content hashes

Canonical text0aca7fc55aee722735d4c54bf1aa838da64182496b0ae76e5a6d29f103af5988
Markdown98ea4f83148d17e39188a5a8632bb519bbad1d0a8050f5c689e34f1c82f6c0d5
PDF
Publication pagef1500d36b536159db6c9511c6b0478ff080ae792da676c9c32ab2e35892b8912
Manifestee0ea40d947be9d06c62ee4b34e2e4a40fa7886cadfe31391c4a21268d453a8b

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
SignatureHfAiqZBLuFYxpTEsWRXmYNCiOeFxhhOjRQdy2G1pEfLzWm9EKB3RJsqlCTU46qM7r/ozczKDbPt1o7coRhvpAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:21.454637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005606
observed f1500d36b536159db6c9511c6b0478ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:21.441675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005606/manifest.json
observed ee0ea40d947be9d06c62ee4b34e2e4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:21.429231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005606/publication.md
observed 98ea4f83148d17e39188a5a8632bb519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:21.416554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005606/publication.txt
observed 0aca7fc55aee722735d4c54bf1aa838d...
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.