OpenTechnical

OT-2026-000081974

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000081974) never changes.

Identity and time

Publication numberOT-2026-000081974 · never reused
Internal UUID01a0ae97-0f77-7bb8-b682-fb591c75d095 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081974
StatusPUBLIC

Content hashes

Canonical text7b589617f52e04f49a6d39cf0f356d9574eb2021e3b4681ac3ff6771114b09ce
Markdownfec212b30a446f0ee07fc6012ea0f2860dd0991b900cf137dc81a00176a08b64
PDF
Publication page78e5948a2e7c85cfb3055ea7c434d55d8cc605f2324033572a430a85c1038618
Manifest4dcaca83fd8e726f1eed1702c057780258b574ad76842a85f3d2a762caf706e2

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
SignatureIFFXb0rsdm/RE5Tdnk7W4DBWzWT6skOOU9mC0qiFmUA5gxuZjLllG0CbLWc8uST18k0UbXs6tVf56Yh/F+t8Dw==
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

2026-09-17T10:01:06.799966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081974
observed 78e5948a2e7c85cfb3055ea7c434d55d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.782540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081974/manifest.json
observed 4dcaca83fd8e726f1eed1702c0577802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.764980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081974/publication.md
observed fec212b30a446f0ee07fc6012ea0f286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.747158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081974/publication.txt
observed 7b589617f52e04f49a6d39cf0f356d95...
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.