OpenTechnical

OT-2026-000069293

Publication integrity record

Foam pad vacuum gripper, two zone face, six 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-2026-000069293) never changes.

Identity and time

Publication numberOT-2026-000069293 · never reused
Internal UUID01a0ae90-b528-7760-af3f-4437937c988c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069293
StatusPUBLIC

Content hashes

Canonical texta0ca21c1095c6caac0ab5a1a35f79876485d4cd7ffae56c3c9836cd9f8e41785
Markdown6fcf114ffe74c9a998f7f0d8301177f3368bc45b2b40abb8594f6122bff66d9a
PDF
Publication page069c3fb59d2a13883e69231b5d1e3d1c4a495c61243ee639320142cda4412c37
Manifest682ec7976dd366c3b4a8ede499b9417862c18ee877a52a9cf218804b3162c20c

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
SignaturekVM6E7vn3tzCQEicccK2nUv2HJE2I/Yy6xKC/9k3gBb3fYGlXbxmuSKvqtGRDhjpKT3Sj1PVpe326J+nPGp6Dg==
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

2026-09-17T10:30:02.808522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069293
observed 069c3fb59d2a13883e69231b5d1e3d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.783394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069293/manifest.json
observed 682ec7976dd366c3b4a8ede499b94178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.764196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069293/publication.md
observed 6fcf114ffe74c9a998f7f0d8301177f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.743492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069293/publication.txt
observed a0ca21c1095c6caac0ab5a1a35f79876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:51.668430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069293
observed 069c3fb59d2a13883e69231b5d1e3d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:51.650026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069293/manifest.json
observed 682ec7976dd366c3b4a8ede499b94178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:51.632757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069293/publication.md
observed 6fcf114ffe74c9a998f7f0d8301177f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:51.615417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069293/publication.txt
observed a0ca21c1095c6caac0ab5a1a35f79876...
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.