OpenTechnical

OT-2026-000068561

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000068561) never changes.

Identity and time

Publication numberOT-2026-000068561 · never reused
Internal UUID01a0ae90-2482-7454-9118-080a01f1ccfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068561
StatusPUBLIC

Content hashes

Canonical text8944d570591ec3d28ae18c223b3812127d15ade3611838f5f5dc36c1d0e68f7f
Markdownfdf7adcb8c20417a80889ad1ae72e7734d51351a33182f61b0a9fa53f35d646e
PDF
Publication pageaeb62c79b21b5c730eb6c49ad91eba8a6811cc0c74d363f69a52459b8742480e
Manifest0ff9efa41bc115f95813140d78fce3036770e2ed132d68902213d13e45fcbdb5

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
SignatureQaGnpARdSgW2mOANpWr+VZrzhZbSkFtqAxAg8xhZuZJ1/HOSA5f+HKMFYpFxxrr64PYj67itIgBDLlpCIf33Dg==
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

2026-09-17T10:29:43.839001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068561
observed aeb62c79b21b5c730eb6c49ad91eba8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.821143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068561/manifest.json
observed 0ff9efa41bc115f95813140d78fce303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.803485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068561/publication.md
observed fdf7adcb8c20417a80889ad1ae72e773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.785511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068561/publication.txt
observed 8944d570591ec3d28ae18c223b381212...
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.