OpenTechnical

OT-2026-000069134

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069134) never changes.

Identity and time

Publication numberOT-2026-000069134 · never reused
Internal UUID01a0ae90-6dcf-7f16-b25d-5661ac3df1c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069134
StatusPUBLIC

Content hashes

Canonical text7eb1f6835d65d3c4480d25e57ffe6718730d72d30c77cdfca4581110a2d56574
Markdownbaf3980a8e3cf9e8896f0b9be69dd3c8cf3e9e7673420a6d713b4c8534a536f8
PDF
Publication pagecd1197721b689eff7788142d4b09ef50ec8d3931c90583566653ab8578a72944
Manifest8d5ab977c878b3bde1a0e10979bf19b911e6779a8af1c77758f20976e81b759a

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
Signatureu0m+qP09X3JTtv+snJn4X5aWoyaqAwZS/swA1jKSGP35SF1n9+q2/UXk+hh8MG9sI0GlQSLbKbURb24BDlRhBg==
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

2026-09-17T10:29:00.928171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069134
observed cd1197721b689eff7788142d4b09ef50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:00.911812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069134/manifest.json
observed 8d5ab977c878b3bde1a0e10979bf19b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:00.894843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069134/publication.md
observed baf3980a8e3cf9e8896f0b9be69dd3c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:00.878555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069134/publication.txt
observed 7eb1f6835d65d3c4480d25e57ffe6718...
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.