OpenTechnical

OT-2026-000068144

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000068144) never changes.

Identity and time

Publication numberOT-2026-000068144 · never reused
Internal UUID01a0ae8f-c4ff-77fb-9f84-ee40348fdfb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068144
StatusPUBLIC

Content hashes

Canonical text4cb7d39aa02c1c694b38aa4addfd057b4166eb141214e9512f1ef44a75070ed5
Markdownbc9f8f6c0be9e60580f8da885c69c8f9eeb33e5eee300c428333787e7a82e28a
PDF
Publication page5cb369ba4126c97e00b856bd34b3bc98a3b65c515db779880a58c182f3e34344
Manifestbf8ceae33dc357fcb42f926514817c5d6d79b7cfdc637e882463fc7eb49aed23

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
Signature6uh66pOXtTjFpfopKCYor6cHlmY8ba/LDEMZpWwl/51Fzd13EuRnlHDbsPahNk0gB37F4VRC9891y2KLRe5xDw==
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

2026-09-17T10:30:47.566101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068144
observed 5cb369ba4126c97e00b856bd34b3bc98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.549659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068144/manifest.json
observed bf8ceae33dc357fcb42f926514817c5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.532361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068144/publication.md
observed bc9f8f6c0be9e60580f8da885c69c8f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.514935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068144/publication.txt
observed 4cb7d39aa02c1c694b38aa4addfd057b...
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.