OpenTechnical

OT-2026-000060052

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, sustained blow-off 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-2026-000060052) never changes.

Identity and time

Publication numberOT-2026-000060052 · never reused
Internal UUID01a0ae8a-5a70-76d4-b7aa-b531520e2b2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060052
StatusPUBLIC

Content hashes

Canonical text2a8eeefcae06e60717d6e74ecfe57a4c3241b13c94496ba01db38a3a4ae53bb6
Markdown8cec01f1b3a85c355af0efa72bf78248f59e6f5c79c25a5ca5125ced1e11e4fd
PDF
Publication paged0a62a82c78405ea004fe85c7ea26712385fbb10891d712d37d18c9eb8dcea5c
Manifestc6243aa66bf8bcf5d4e301534fee22718da71bd66d9f8bf3b1f903b91f46d652

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
Signature505zXRBFOb62RWrn1dqbx7r+Xi5wqB2VFP1r7k0CYDrHkIEfBVMwHMygEbH9VluOj9wgyI5YzYWVxLTuxsjrCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:40.557943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060052
observed d0a62a82c78405ea004fe85c7ea26712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:40.540469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060052/manifest.json
observed c6243aa66bf8bcf5d4e301534fee2271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:40.521018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060052/publication.md
observed 8cec01f1b3a85c355af0efa72bf78248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:40.503461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060052/publication.txt
observed 2a8eeefcae06e60717d6e74ecfe57a4c...
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.