OpenTechnical

OT-2026-000018887

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000018887) never changes.

Identity and time

Publication numberOT-2026-000018887 · never reused
Internal UUID01a0ae6e-d522-756d-8eb5-f40bffbfcdee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018887
StatusPUBLIC

Content hashes

Canonical texte7aac8493882e227ee569cf39c209a3b913bd0944bb10b1592c713aacae588e0
Markdown459a438545ac2dc5b70209a4598b136bfb3f3e0b2497ee17f877f88802720170
PDF
Publication page532876a9bcd2c196497272c5dd02a30def265a7207b1c70dc4bd705fcc39f703
Manifest6dbd61eaaca6301daf35c9432d81e6fc649b45e8d8dd8e4fac748cba9b06ccf0

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
SignaturesKWTuteLwVu8eCZ/SKsj74HJ6SBK2eFe2YXphHBX37R8S0K8O0t4SJ/D9N/h7I/v8X1qofYKBiqRGbB/rXjsCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:32.325116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018887
observed 532876a9bcd2c196497272c5dd02a30d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:32.307984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018887/manifest.json
observed 6dbd61eaaca6301daf35c9432d81e6fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:32.291922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018887/publication.md
observed 459a438545ac2dc5b70209a4598b136b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:32.274191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018887/publication.txt
observed e7aac8493882e227ee569cf39c209a3b...
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.