OpenTechnical

OT-2026-000074455

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold 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-2026-000074455) never changes.

Identity and time

Publication numberOT-2026-000074455 · never reused
Internal UUID01a0ae93-717a-79d2-b501-4289b11cf84b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074455
StatusPUBLIC

Content hashes

Canonical textd0603ece579b22cbe1c69820783146e68b0e8e04f12defffe07b1de6af43270f
Markdown3fcc911e2355eda162063e9f83265e8382ca93f5229e6f25a0c07416575d5f2e
PDF
Publication pageb00ff0c3d57eca5ce17238eb2919c9577c7c0ac958dab9f17e292469f6863fe9
Manifestabde826459e1fcdd10021d439444d978b15c9c185b2d551a9c637fa1df0e2794

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
SignatureVQbu8SHqfn3Fl33gSx5iSyBsiNwZZg6uXei+f8dzL7PzwPC6aQjuOZXnOomAWnYG9QgB43O/CazpaG97KqM9Bg==
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

2026-09-17T10:19:24.774200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074455
observed b00ff0c3d57eca5ce17238eb2919c957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.754476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074455/manifest.json
observed abde826459e1fcdd10021d439444d978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.734467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074455/publication.md
observed 3fcc911e2355eda162063e9f83265e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.714506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074455/publication.txt
observed d0603ece579b22cbe1c69820783146e6...
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.