OpenTechnical

OT-2026-000085917

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000085917) never changes.

Identity and time

Publication numberOT-2026-000085917 · never reused
Internal UUID01a0ae99-e82a-7860-b143-233ec23cfbba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085917
StatusPUBLIC

Content hashes

Canonical textdc20b24ca5f4cc556f34d0b7187cf29b4610281f6bd1a38a1a89f82cefb140aa
Markdownac6641d256eda17956243f49a31b4cada376fcbcbcbbbceceeedd9a9e1f42b83
PDF
Publication page9ea042d9e95bd53a61841fe9613341c3bf26fd98a0a4c824fa480c0ec3c9e528
Manifest862690e8de65397d320cb8085103c957b5990e26968c3fcd06ec71502aa641d3

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
SignatureqLz6vm+izckpJm2mY9tVa2xWq9aT5pSE+HJbfGTRiZRDxruYZiEiaMPoD6gk6/WbUHFp7Y7pR5jJdCBg6Az7Dw==
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

2026-09-17T09:52:51.892411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085917
observed 9ea042d9e95bd53a61841fe9613341c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.875788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085917/manifest.json
observed 862690e8de65397d320cb8085103c957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.858048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085917/publication.md
observed ac6641d256eda17956243f49a31b4cad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:51.840054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085917/publication.txt
observed dc20b24ca5f4cc556f34d0b7187cf29b...
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.