OpenTechnical

OT-2026-000069297

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

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-2026-000069297) never changes.

Identity and time

Publication numberOT-2026-000069297 · never reused
Internal UUID01a0ae90-b528-72e9-aac0-b134f92188d3 · 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-2026-000069297
StatusPUBLIC

Content hashes

Canonical texte81bebfc743556504b3dff3595c9a0984e5b51e909b9518356c5c0db709e412b
Markdown0a9c73ffcaaf596ed17552913cf3f5fc2f4a192bf5f9e2a470e3f63b4d45696b
PDF
Publication pagefe6ebfd2db443c9d1db608d80565f8d50e396eb6daec4c57b72e35a224c1ff99
Manifest490c67e885a33a7702edb1b49c7af2a2ebf2e8ad7eaea65b1f225238af2a6588

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
SignatureQyeTKigK1sEvnm9R7dFhcs0jUTcpUbknz5TIxYJX4KdcsUbbPoKjgz4dRSLqgRvRngxwaxq51e6dwqLKEHdVCg==
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

2026-09-17T10:30:03.136519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069297
observed fe6ebfd2db443c9d1db608d80565f8d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.118595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069297/manifest.json
observed 490c67e885a33a7702edb1b49c7af2a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.099822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069297/publication.md
observed 0a9c73ffcaaf596ed17552913cf3f5fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.077198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069297/publication.txt
observed e81bebfc743556504b3dff3595c9a098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:51.974839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069297
observed fe6ebfd2db443c9d1db608d80565f8d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:51.957628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069297/manifest.json
observed 490c67e885a33a7702edb1b49c7af2a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:51.938679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069297/publication.md
observed 0a9c73ffcaaf596ed17552913cf3f5fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:51.920593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069297/publication.txt
observed e81bebfc743556504b3dff3595c9a098...
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.