OpenTechnical

OT-2026-000089117

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000089117) never changes.

Identity and time

Publication numberOT-2026-000089117 · never reused
Internal UUID01a0ae9b-db00-72dd-8896-378fa39942bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089117
StatusPUBLIC

Content hashes

Canonical textc40ee00201506dbb0ef3f6784fd2261dedf950d6efc7f93a88e2270f30da1338
Markdown5e516bfd3db1e1b01d8aa414ce579906aded8869b4a6f7c8e7e7bf87f1c5faa1
PDF
Publication page1502ddca9e94e6d7d9041b2e001fef9f801f5168473c5625c52b8fad08b372c9
Manifest3c8ea3cdd6d5bb5114f469c44f09e161c574d5755ccaa96e59bd7580a264ae3f

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
Signature0Q15Y4PlSewdoTEThSJskwiIKPjaTrEx3t1m6eX3/7K9J5lSrECNRpRxb5PFk8NGwirSTe9Sx5NHH7xhySzsAg==
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

2026-09-17T09:47:01.688764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089117
observed 1502ddca9e94e6d7d9041b2e001fef9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.670362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089117/manifest.json
observed 3c8ea3cdd6d5bb5114f469c44f09e161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.651070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089117/publication.md
observed 5e516bfd3db1e1b01d8aa414ce579906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.632296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089117/publication.txt
observed c40ee00201506dbb0ef3f6784fd2261d...
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.