OpenTechnical

OT-2026-000085591

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, sustained 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-2026-000085591) never changes.

Identity and time

Publication numberOT-2026-000085591 · never reused
Internal UUID01a0ae99-aaac-72bc-949a-de2b9969012b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085591
StatusPUBLIC

Content hashes

Canonical texta06fea6a5db644a53401d4df7a5c73e14fff399e96c2a54570da25cf7963b74f
Markdown97f3c17bfa1c444fe16aa7495b2c0debc8ebfb303932225679f62772de3d6906
PDF
Publication page80cc7673ada1ea1767e64f5804a5324ae953895b196939209339757fc75cb5c9
Manifest07fb1db53b62890fc34043643e9fa7f1204bc7fb386f9db6fadd9058cf189958

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
SignatureUlOGqrE91bYjOpjWPD2XBz+/tk+/dAYkIvNS9Pp7POtz94LGfd66xW9oSjxCEpB5YIVsOKgTL5Boh9eEDHVACQ==
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

2026-09-17T09:54:27.906197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085591
observed 80cc7673ada1ea1767e64f5804a5324a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.889775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085591/manifest.json
observed 07fb1db53b62890fc34043643e9fa7f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.871269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085591/publication.md
observed 97f3c17bfa1c444fe16aa7495b2c0deb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.854056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085591/publication.txt
observed a06fea6a5db644a53401d4df7a5c73e1...
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.