OpenTechnical

OT-2026-000102801

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three 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-2026-000102801) never changes.

Identity and time

Publication numberOT-2026-000102801 · never reused
Internal UUID01a0aea4-858c-7144-9ad5-d371e2cb764c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102801
StatusPUBLIC

Content hashes

Canonical text56d85671b4a7b8ed10068be58537e7ebc86cfda712896b5d211157b5787c0f58
Markdowndeeb6d7c6cdfea0cda1b3980214cefdee6088e4968ed64018de442abb62eb2bd
PDF
Publication page47b534d82251cb15958e2995cdfb1537ac777d19bb2eff55c444f252efdd6a4c
Manifest94db16b9453eda740a4fa60c4f5d9b0e4815a38346bfa08664e4796465a9abf0

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
SignatureSRbTQBtg3MZQNOuDIwzO7ZFtRIKS70p9YQwAqvu3mxf08uYiuHLV+OGaVhJhNGRFb6RxNza+3+PnC+3au3IgCQ==
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

2026-09-17T09:24:19.783641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102801
observed 47b534d82251cb15958e2995cdfb1537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:19.766326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102801/manifest.json
observed 94db16b9453eda740a4fa60c4f5d9b0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:19.746658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102801/publication.md
observed deeb6d7c6cdfea0cda1b3980214cefde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:19.729610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102801/publication.txt
observed 56d85671b4a7b8ed10068be58537e7eb...
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.