OpenTechnical

OT-2026-000101522

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, pulsed blow-off after 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-2026-000101522) never changes.

Identity and time

Publication numberOT-2026-000101522 · never reused
Internal UUID01a0aea4-0e15-7e21-be0b-aa9720e145b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101522
StatusPUBLIC

Content hashes

Canonical text8f61de1feb803df2aa2310194949a43649e7e1947a61541dc9ae268786f520f6
Markdowndc7331ce37145740ffca01e5afda8ef938e592293c6ced5eb2da246f297e15fe
PDF
Publication pagefd1601be78d4161c0a7a0c63d4270db6cd31a50f80fcb8db9953fd4ff220f3f4
Manifest4b5cd4de42b93e2afe1b187f63c1c9c7835ed3ada38a847f9e1c29c261cf9730

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
SignatureCyQWfSR8Ylx3EOXIyxO0M7ELnSU3Xos07eBNdoFPUMQ+U/At+ivbmne10JeE/lF77eRuN7rJs4IJe2HcBHNHBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:05.577796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101522
observed fd1601be78d4161c0a7a0c63d4270db6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:05.559536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101522/manifest.json
observed 4b5cd4de42b93e2afe1b187f63c1c9c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:05.542777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101522/publication.md
observed dc7331ce37145740ffca01e5afda8ef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:05.526120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101522/publication.txt
observed 8f61de1feb803df2aa2310194949a436...
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.