OpenTechnical

OT-2026-000080683

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000080683) never changes.

Identity and time

Publication numberOT-2026-000080683 · never reused
Internal UUID01a0ae96-b973-7737-aeb6-31c8d4a5d2e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080683
StatusPUBLIC

Content hashes

Canonical text109a6f9a6e6137d6a3ff85b3d87efe487df89a57170a90c4ad11b94a035ab1de
Markdown27859e9ad8945e2c7ed39109611eaf78f5bf791281222c1555e219fa51198ca8
PDF
Publication paged7cda6f61cf7b086891f161bf33c90507914a86565f9576c28a363598f7a6984
Manifesta0ff282578d02165d6df6b2c676364838ef58671c71a264034c2f5f6e1a9b7d1

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
SignatureGUogOu+LRY9bxpTWjA+nNvpMK0EFs30MIOuKiBxJXAU9wKB3KC4NsJ5yBbHl8IdTfLuM8R9AZD7BNZaWP/nNDw==
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

2026-09-17T10:01:42.915773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080683
observed d7cda6f61cf7b086891f161bf33c9050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:42.897824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080683/manifest.json
observed a0ff282578d02165d6df6b2c67636483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:42.881148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080683/publication.md
observed 27859e9ad8945e2c7ed39109611eaf78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:42.864090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080683/publication.txt
observed 109a6f9a6e6137d6a3ff85b3d87efe48...
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.