OpenTechnical

OT-2026-000089961

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000089961) never changes.

Identity and time

Publication numberOT-2026-000089961 · never reused
Internal UUID01a0ae9c-428d-725f-bfaf-fd192d4ac001 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089961
StatusPUBLIC

Content hashes

Canonical text6e30a90b2eacd0cd786a26b14bdbc3d4b74a3dc5ec602a0f9b5aba091390b4ea
Markdown5177b0a9ef2cd84df13a4e2c6340eb0c042876b84a5c29181bc7755c364ebd59
PDF
Publication pageb3a0f505bc1dfa3e06c565c4be4a3d562f50ef6522161d66405c8a9a67300ea8
Manifestfd5c94c7c628e7103f16e204d38614e7351ca37126350bd7f8b5e0a5258a449f

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
Signaturel+L3V5qMROJ2Co+EVfKcwFlW9ROS/t/ApkWWM4gOEC41uVfrGDb95wcAm6CMsE/HrJ/FWLPlVQi7EGw5Jhf3CQ==
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

2026-09-17T09:45:20.696727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089961
observed b3a0f505bc1dfa3e06c565c4be4a3d56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:20.679952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089961/manifest.json
observed fd5c94c7c628e7103f16e204d38614e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:20.663314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089961/publication.md
observed 5177b0a9ef2cd84df13a4e2c6340eb0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:20.642203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089961/publication.txt
observed 6e30a90b2eacd0cd786a26b14bdbc3d4...
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.