OpenTechnical

OT-2026-000008135

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000008135) never changes.

Identity and time

Publication numberOT-2026-000008135 · never reused
Internal UUID01a0ae6a-908c-76ee-b0e3-60b4029af605 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008135
StatusPUBLIC

Content hashes

Canonical text28a8ef8a1803c8f4202c5de7f22d9a31415af1e3a54ee01939c127d7e4cb4a78
Markdownbddf7204ab7940a027fd7191cb58310031da24114e83abb6b8a577ae4926ec04
PDF
Publication pagee8a96043875edea6e2b0c57ca4855152a8057d7e3e5983e0e5ff43e87b732639
Manifestde8ab159bedb7e8434fef3c564b1c6a974cb795db08ec496c6c099f8e309a488

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
SignatureWORDWYsVj+HDhSSG2TP00VkgIvoHcVm5A4WCZoRERq6yw7NGpMpoWjclyEVa37ChIyTFa7GfrPE9NyZ6KfaTDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:27.642278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008135
observed e8a96043875edea6e2b0c57ca4855152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.617355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008135/manifest.json
observed de8ab159bedb7e8434fef3c564b1c6a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.581556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008135/publication.md
observed bddf7204ab7940a027fd7191cb583100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.562536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008135/publication.txt
observed 28a8ef8a1803c8f4202c5de7f22d9a31...
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.