OpenTechnical

OT-2026-000043675

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000043675) never changes.

Identity and time

Publication numberOT-2026-000043675 · never reused
Internal UUID01a0ae7b-92d0-7c0e-9735-dd5483940220 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043675
StatusPUBLIC

Content hashes

Canonical textc42fe090367276dc4d8a8f020d072ba325924fe312671b1c0e3499ed1ad341ad
Markdown809801fe54a6fba9976f6922bc8c7f70496026fcd02ef8568202d1b23e442e0f
PDF
Publication paged8bb4bd2950c646598bed8e8d0b68f9176c4698cc828bc4bf322fc7176d58721
Manifest98f6eb8ef2566aa6586aa10a7c60a920f71a92232ca87a10818616aa7b60f117

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
SignatureYjmkqLOi2HlP8MJOQveVBFjTioiWAxG9LsT7a2InZONS25b4OjeV7sQBBpUYYRnPFeqOe8y8z+QsIhAJdVeaCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:09.845574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043675
observed d8bb4bd2950c646598bed8e8d0b68f91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.826845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043675/manifest.json
observed 98f6eb8ef2566aa6586aa10a7c60a920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.808602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043675/publication.md
observed 809801fe54a6fba9976f6922bc8c7f70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.791027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043675/publication.txt
observed c42fe090367276dc4d8a8f020d072ba3...
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.