OpenTechnical

OT-2026-000078175

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000078175) never changes.

Identity and time

Publication numberOT-2026-000078175 · never reused
Internal UUID01a0ae95-7c26-7567-9d9c-52b4709e90a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078175
StatusPUBLIC

Content hashes

Canonical text76febba6605a295536f252e17485a15614d6dbf434beda8db100776244e70545
Markdowna56f26c924e9e2ee76626f953bc29ed7c653606a5678dc2e3fa0869cac6cc837
PDF
Publication page6c4622ca713c62b5dd34b7741785a35e92a7402a499313603506a5dc3bd4c5fb
Manifest1d19d17cb3882de88fce2bb2eee6304011420b48a6b2c491357284f651420bea

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
SignaturehH6fqGW+llA1iJwijC9LS2h985vWBPb/NILMT9nPH8LJ/VCDUIpVq+r7EPVct00bT3crvu8guvGx+y854wWDBg==
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

2026-09-17T10:06:07.118526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078175
observed 6c4622ca713c62b5dd34b7741785a35e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.098504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078175/manifest.json
observed 1d19d17cb3882de88fce2bb2eee63040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.077588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078175/publication.md
observed a56f26c924e9e2ee76626f953bc29ed7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.059067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078175/publication.txt
observed 76febba6605a295536f252e17485a156...
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.