OpenTechnical

OT-2026-000066687

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000066687) never changes.

Identity and time

Publication numberOT-2026-000066687 · never reused
Internal UUID01a0ae8e-ce42-70e0-9622-e3b1569125f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066687
StatusPUBLIC

Content hashes

Canonical text73789e707a4a20e9a1de395020ee06f23552178d7254e23740a8aaa510eef85b
Markdownbc77f94d13c7cb0862386e042fcf3753d3b2a97a2540e623bb6fcf70f93bb665
PDF
Publication pagee36489105c845369e151d8743a0260aeb639260f21170174618a913e5af64210
Manifest5f353021244d3775e5439ef35116046daa9e8af50f16df56e620d59841952489

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
SignaturebaviiCwR7bD3um8h+4bGu6qGoZtb5zeU8AhZCYULv+FuWxaE4Tf2ot3e3TRbF7+LXqohuY21J6uFF82XuwdaDg==
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

2026-09-17T10:33:05.195070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066687
observed e36489105c845369e151d8743a0260ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.178734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066687/manifest.json
observed 5f353021244d3775e5439ef35116046d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.161157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066687/publication.md
observed bc77f94d13c7cb0862386e042fcf3753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:05.142784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066687/publication.txt
observed 73789e707a4a20e9a1de395020ee06f2...
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.