OpenTechnical

OT-2026-000073165

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000073165) never changes.

Identity and time

Publication numberOT-2026-000073165 · never reused
Internal UUID01a0ae92-efb6-76d6-8890-0d526ba026af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073165
StatusPUBLIC

Content hashes

Canonical textb4dc04e475d0a82a8f0c749a8e5ba0d12a02c4f6dbcc1783fdd68711c795e297
Markdown26fc6199444b59c96f6316f4b101c7cfc14dcd50b18fd26556fdbc2b5cce6aeb
PDF
Publication pageea7c573f2b01060f11e9e2023ffff10d0e36ed0e656d7e63e9a275ee40217c56
Manifest4980ee9d637e53ce6bc05f90b7fac5e25b1f9757acbd24ff3a8dfe4008e93f20

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
SignatureUm7uM9qc2i4DWG2EonORY9YeStVVer3s1W7UwDZRbCaO4fIsIzH2C4zrZdWAbhdiX4jxW96E/WCK0EXnrKaWCw==
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

2026-09-17T10:21:06.728209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073165
observed ea7c573f2b01060f11e9e2023ffff10d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.709832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073165/manifest.json
observed 4980ee9d637e53ce6bc05f90b7fac5e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.690293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073165/publication.md
observed 26fc6199444b59c96f6316f4b101c7cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.670301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073165/publication.txt
observed b4dc04e475d0a82a8f0c749a8e5ba0d1...
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.