OpenTechnical

OT-2026-000101943

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two 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-2026-000101943) never changes.

Identity and time

Publication numberOT-2026-000101943 · never reused
Internal UUID01a0aea4-50f1-7f14-a954-8f34afec39a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101943
StatusPUBLIC

Content hashes

Canonical text60e36ec80b7d83809db3cfe023d4d95d631900209fd436aa1b5ef5fc2625f086
Markdown37bddbbbb484d85aa5eab78f774ad146eef60fbf51066db10561dd9c733384e7
PDF
Publication page0c38c42994c7c98a2681a70e33994ab8b9b0f865762ab923d1043dc0e48852ef
Manifest5b841b5d2dbf57e7a128b2f9f4b48ba821b60a91d12d493f4a75246848950687

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
SignatureNSRJ+fev7TaQkKgw/Sj4VbNJfWPlcOe/gEU4XPpq5RWAmJeh0fuJBVh+RK5nhE9bKZ/PsGuu7ZtqUZSSIZCrAA==
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

2026-09-17T09:25:03.531467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101943
observed 0c38c42994c7c98a2681a70e33994ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:03.514181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101943/manifest.json
observed 5b841b5d2dbf57e7a128b2f9f4b48ba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:03.496827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101943/publication.md
observed 37bddbbbb484d85aa5eab78f774ad146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:03.479612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101943/publication.txt
observed 60e36ec80b7d83809db3cfe023d4d95d...
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.