OpenTechnical

OT-2026-000075528

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000075528) never changes.

Identity and time

Publication numberOT-2026-000075528 · never reused
Internal UUID01a0ae93-f202-73f1-a132-d8a54214ebf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075528
StatusPUBLIC

Content hashes

Canonical text302cd21d985dfdb24f3979b9fb37c2606e6c0d1b13bd03164cbaf2aaef512f32
Markdowna3fc7a6614bd4a0940bae1686602cef782e26b6e376d2704f9a3f731c4648da5
PDF
Publication page52fde5589769954f76fbc31581b6ca633d8b76f4e88aae6b383be1845d2418a6
Manifest813a808a78028c5c3e2cffc1a75d46f22b5853f1281763daa824578109417307

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
SignatureizK+d3c3pq1Ds4/REUWPacznS4mNAbvikBzv8wUyOvs1+PavPRMT8VpblcVG9t4nN1vF91FfLXfEHN7IRDUjBg==
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

2026-09-17T10:18:00.485675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075528
observed 52fde5589769954f76fbc31581b6ca63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:00.466452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075528/manifest.json
observed 813a808a78028c5c3e2cffc1a75d46f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:00.447181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075528/publication.md
observed a3fc7a6614bd4a0940bae1686602cef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:00.305697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075528/publication.txt
observed 302cd21d985dfdb24f3979b9fb37c260...
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.