OpenTechnical

OT-2026-000079963

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, sustained 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-2026-000079963) never changes.

Identity and time

Publication numberOT-2026-000079963 · never reused
Internal UUID01a0ae96-4377-77a5-93b7-edac0862fa50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079963
StatusPUBLIC

Content hashes

Canonical text246d2e985fabd7afcd390728b788284b1e0a51b47b3dc5f91e688fbafa87642e
Markdown4463d91f3a22108f078597d9e7cdf8e4207c8676f86230cf6368ee587a659aea
PDF
Publication pagebd955b5be3048c23818966d094dedf19b016bebfae081d02f38bba8df87f1a08
Manifest0c0fec8fa06a90d0d451c17a81a6864a2536e87b4b275d3e0c98bd37551ce8d2

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
Signature21XtuyCChF8s5zXMuTfy3xVZIr6n4YWeg0DzQuk0iBFUVPhB3mgZUmuhkHWxAz4fmK2h4oHgL+ZTNuzt6K/NDg==
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

2026-09-17T10:03:52.458542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079963
observed bd955b5be3048c23818966d094dedf19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:52.437704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079963/manifest.json
observed 0c0fec8fa06a90d0d451c17a81a6864a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:52.419815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079963/publication.md
observed 4463d91f3a22108f078597d9e7cdf8e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:52.400323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079963/publication.txt
observed 246d2e985fabd7afcd390728b788284b...
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.