OpenTechnical

OT-2026-000074009

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000074009) never changes.

Identity and time

Publication numberOT-2026-000074009 · never reused
Internal UUID01a0ae93-2b8f-7f93-9771-35491065330a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074009
StatusPUBLIC

Content hashes

Canonical text963838f2d875874f3ed828c8574219c3f5c7dd29db05c5769a38b5dd72c0e76f
Markdown69a4a6b0994ccc2fecea95ec93ceeb2a176ba3ee4434337b161753690de7c25e
PDF
Publication page1ababbfb68c4ae94dfdba26925afae33ff1445f8a723f14cb06d55696b20290b
Manifest50b9062878f8a02e573930c809756fc5d105291c95ee2637da98743c67db0efe

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
SignatureWYhl+RYgJ5HUR3pGezGYgRxpUi3hYKC/GSd9E04gWzKX3y3ItacFEJ1fKEivRhAOPUFiVMDDC76wuvSGM2WXDw==
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

2026-09-17T10:20:18.415016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074009
observed 1ababbfb68c4ae94dfdba26925afae33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:18.394289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074009/manifest.json
observed 50b9062878f8a02e573930c809756fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:18.375722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074009/publication.md
observed 69a4a6b0994ccc2fecea95ec93ceeb2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:18.356597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074009/publication.txt
observed 963838f2d875874f3ed828c8574219c3...
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.