OpenTechnical

OT-2026-000080563

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000080563) never changes.

Identity and time

Publication numberOT-2026-000080563 · never reused
Internal UUID01a0ae96-7e79-7e29-8067-0c52cbd22e50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080563
StatusPUBLIC

Content hashes

Canonical textfbbc955c6512ffd69f416e63569e8fdce4266e9b510c1a61608912c1c6877e9a
Markdown732237b2e57fdf898eb1c3545fcffd340bfc6e54b832c2578875c1853383b129
PDF
Publication pagef880b9f35d744b43b84da274a84b77fa2494aabc41788cc9ead60fd0536ac07f
Manifest187e01d04ba63f706d56f567ab4be06fdf110e64e237d2e791e7227647426898

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
SignatureVpjS1sIfBlwESdH0rVNRI4tVkV/yipwAJdH+y95+AuqCElMQ6zELNdawfZ9hwJnQkd2/EJxJdch5plubayBLCg==
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

2026-09-17T10:03:11.667434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080563
observed f880b9f35d744b43b84da274a84b77fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:11.648596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080563/manifest.json
observed 187e01d04ba63f706d56f567ab4be06f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:11.630952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080563/publication.md
observed 732237b2e57fdf898eb1c3545fcffd34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:11.611605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080563/publication.txt
observed fbbc955c6512ffd69f416e63569e8fdc...
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.