OpenTechnical

OT-2026-000087603

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, 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-2026-000087603) never changes.

Identity and time

Publication numberOT-2026-000087603 · never reused
Internal UUID01a0ae9a-cd53-714e-bc47-8d905d136614 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087603
StatusPUBLIC

Content hashes

Canonical texta58ca1218b43b128002b185907e3ae07b91da56acd86a9881f2157a02bbea28c
Markdown2baacecbdfb3cc2f6b8229b72fc5e2aa0226678af2acae8db36fe95ebf9bbc6b
PDF
Publication pageb304cb4e5b27a887f26a00e4a089b36594d423ae8798b25615d3b171e3e7c112
Manifeste56b63189222b98f01efb28eaa11104e13d3ddfc93b282840b0a40574a81192b

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
SignatureVAxX7OoDYXRosEg75X4C3Y/HKx+tYixfcn2ZvbbEXYH+PBg5RIaMW28iGQWXnsUqSB8Fyr4mZbkSyuBfwVZ4DQ==
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

2026-09-17T09:51:02.575056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087603
observed b304cb4e5b27a887f26a00e4a089b365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.560161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087603/manifest.json
observed e56b63189222b98f01efb28eaa11104e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.543596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087603/publication.md
observed 2baacecbdfb3cc2f6b8229b72fc5e2aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.527369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087603/publication.txt
observed a58ca1218b43b128002b185907e3ae07...
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.