OpenTechnical

OT-2026-000026219

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000026219) never changes.

Identity and time

Publication numberOT-2026-000026219 · never reused
Internal UUID01a0ae71-a841-79e6-abf9-e66a62756249 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026219
StatusPUBLIC

Content hashes

Canonical textcd1921a5a693fe51e4565c2684c3a56cf3d526bcf59034965f6268dd928e729c
Markdownd0c7fafc9ba509a4f7efc37d5bd86b38166b40e15c528ae30ed1ef2a6bb90e6f
PDF
Publication page4fac71fcc0e82a2ee748e35c376629ee10b0428b3d9d2574c270c6945c60e6a1
Manifest1cf1497f921b4c60329385e0e5546fe259be65ba79d83576b1e09b915501b84a

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
SignaturebW7Dn3m6YYF/3aoul/tM3vUI5QZMdBe5Pmjx0vfTDkjJT2xlsYzgkJMta612cuyy4yj7+vG2BsJQ9Z01moSDCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:44.969540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026219
observed 4fac71fcc0e82a2ee748e35c376629ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:44.950316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026219/manifest.json
observed 1cf1497f921b4c60329385e0e5546fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:44.932101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026219/publication.md
observed d0c7fafc9ba509a4f7efc37d5bd86b38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:44.911315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026219/publication.txt
observed cd1921a5a693fe51e4565c2684c3a56c...
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.