OpenTechnical

OT-2026-000084488

Publication integrity record

Three cup vacuum gripper, three 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-2026-000084488) never changes.

Identity and time

Publication numberOT-2026-000084488 · never reused
Internal UUID01a0ae98-5b63-7d25-a864-8e385f0c767c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084488
StatusPUBLIC

Content hashes

Canonical textfb2c0cc6a32c92e2c8707af0948059659e55e67e2bdeb00729a5f627deace35f
Markdown32bf84d0e08586b5116592d7e81f07846fca7eca92611a61f9663240d7d0c909
PDF
Publication pagece2480f9268f878bd7ee87e6497c0edb2144242454c01092341d586f24955b53
Manifestc13e83a50dd87c59d09a89c776ecce5f57ad213e1a7d65eb6599f07972d06a62

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
SignaturebYdSLN0ZDGP+g5CxmqPvbgrnjKp/fcyU0VFSYNr6Xmoso8IeLoQWITLCL1gWKCopp/skCD3FVMz54gG70IHBDQ==
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

2026-09-17T09:56:27.418635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084488
observed ce2480f9268f878bd7ee87e6497c0edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:27.401299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084488/manifest.json
observed c13e83a50dd87c59d09a89c776ecce5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:27.383451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084488/publication.md
observed 32bf84d0e08586b5116592d7e81f0784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:27.367082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084488/publication.txt
observed fb2c0cc6a32c92e2c8707af094805965...
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.