OpenTechnical

OT-2026-000078908

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000078908) never changes.

Identity and time

Publication numberOT-2026-000078908 · never reused
Internal UUID01a0ae95-ccbd-7fcf-8a0c-9c5557865847 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078908
StatusPUBLIC

Content hashes

Canonical text4472a606f3c7d7f293e517166f4a60c14f9a747988edb211e4d891a6525c3b16
Markdown8ced2bffd03cbcd647715ce6bc12264940a42a8511533e19641d3152ec2d8423
PDF
Publication page1d84abab06bcb831b536b1bd019cba0b8ec923a95569974bc05b445bf74038c3
Manifest9bd300065f9317ad581d219d1f4a36580ec6ec62a33eb6e359e6f1694212fbc6

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
Signaturewy1Af7eVmfVXOv28cWTAAa+MPaOCNXOWq41YqtDnf9EAGa7b7ufasJicqK6DY1YLlsdXvuQOCibLY7tcMtxzCg==
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

2026-09-17T10:05:43.321126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078908
observed 1d84abab06bcb831b536b1bd019cba0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:43.302313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078908/manifest.json
observed 9bd300065f9317ad581d219d1f4a3658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:43.282375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078908/publication.md
observed 8ced2bffd03cbcd647715ce6bc122649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:43.264422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078908/publication.txt
observed 4472a606f3c7d7f293e517166f4a60c1...
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.