OpenTechnical

OT-2026-000038657

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038657) never changes.

Identity and time

Publication numberOT-2026-000038657 · never reused
Internal UUID01a0ae78-2d55-7a4c-980c-c90e3ed9d6c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038657
StatusPUBLIC

Content hashes

Canonical text32c012ff566641a6c4ff06b91ed6a1aa1ff5c3876519b09896b6be707ceae32a
Markdownb7e37eca56ad5ba065c6c95ddeaae6e8290cc64aa110a889e9ae28970a485969
PDF
Publication pageb18e6720baba1f5c59e67fecc03cf8033609c802556d28384a4e72468d5f2178
Manifest68b553f94705d98cc9a92fcb1e90aec4698a4a23c98b5fd16400e3eacc1c8c0a

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
SignatureSAs3Nfm8mptI8LUfPNgDJaQX0M76UN0v6RhSu3N7EYdU0MSU8uVliOALiHFi+ns8ttsw8Nw54lzju7V++m1yDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:57.323878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038657
observed b18e6720baba1f5c59e67fecc03cf803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:57.305189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038657/manifest.json
observed 68b553f94705d98cc9a92fcb1e90aec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:57.284497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038657/publication.md
observed b7e37eca56ad5ba065c6c95ddeaae6e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:57.263530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038657/publication.txt
observed 32c012ff566641a6c4ff06b91ed6a1aa...
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.