OpenTechnical

OT-2026-000028043

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three 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-2026-000028043) never changes.

Identity and time

Publication numberOT-2026-000028043 · never reused
Internal UUID01a0ae72-a51f-72b4-8c4a-14e22861cc36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028043
StatusPUBLIC

Content hashes

Canonical text9277474088f9732e71ae682a367560e617e48aac8bd51046e4455daf9a18bb2f
Markdown7863d20ad8a62327938e585029feff53ae90be77e597f7a58529d5a359caedc5
PDF
Publication page3461e2be85c24436201be94ddd4001ec6f9d5aeb28ca1ffecdb1614ae5d4052d
Manifest6fbd0515a97794419400ae133211511d860a239f67c6526c14f0d58b45f74eb3

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
SignaturegS00Z6RfpguO3mlCvTQefDDpfqGeathUC/tVliVkcgf/NALLlgZGpSAWOyuCWX2sgGKspCQI+1AQZTpTPbu4Cg==
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

2026-09-17T11:42:22.303682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028043
observed 3461e2be85c24436201be94ddd4001ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:22.287142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028043/manifest.json
observed 6fbd0515a97794419400ae133211511d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:22.268539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028043/publication.md
observed 7863d20ad8a62327938e585029feff53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:22.251958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028043/publication.txt
observed 9277474088f9732e71ae682a367560e6...
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.