OpenTechnical

OT-2026-000086020

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three 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-2026-000086020) never changes.

Identity and time

Publication numberOT-2026-000086020 · never reused
Internal UUID01a0ae99-e82b-71d3-bd0d-27dad0039ce5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086020
StatusPUBLIC

Content hashes

Canonical textc4aeba070ddeb205aaebd31fef96f6f22fe9bf8511e1bead7337eb9d0bdde9c0
Markdown4f84e4a0cf560144227f1a1a993bb7592d201d21d3a0a255b68f29531ef9db66
PDF
Publication pageffbea57ccc77886f3a9253f79af932199d7a2f36908a0f599f604aa01c59962c
Manifestb08bed7a749121a6a6903d7c0bac19cdf1f1233e593b30821aa263f3657cb756

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
Signatureanm3LPqNpDV9cs/BxgurF53n/dIx6XiCdqn1VRi2KaxjKbzH+IdqW+o/6gXQtCN9ckF3JHmll4JUCQD+1M+ADQ==
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

2026-09-17T09:53:00.619610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086020
observed ffbea57ccc77886f3a9253f79af93219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:00.603138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086020/manifest.json
observed b08bed7a749121a6a6903d7c0bac19cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:00.585662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086020/publication.md
observed 4f84e4a0cf560144227f1a1a993bb759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:00.567994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086020/publication.txt
observed c4aeba070ddeb205aaebd31fef96f6f2...
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.