OpenTechnical

OT-2026-000016880

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000016880) never changes.

Identity and time

Publication numberOT-2026-000016880 · never reused
Internal UUID01a0ae6e-591a-74c7-adea-8f5d62c1bd68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016880
StatusPUBLIC

Content hashes

Canonical text3008e4f41a994f530cbc601441063e09160ec8ac78f00ac5486eb04c458d1130
Markdownb4edb6190d38273c0642799ac4780e350ce51e0722404f15d47c28b3b76eab2a
PDF
Publication page04ac3b8a1f297225b6490c5e871deda3644ffcae947dfca3919255173613c237
Manifest88f8323b50a244f8dd3864019aab2708c4adeefe236c71ccd62071b188aa418f

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
Signature+O/vMrd5UPR/phYqHVAisssko820Za9Woq1JOvO5z+FgrXSeYKPR0zqCNxBPxGRe/0zSlgWy/RS4HqarXJ7yCA==
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

2026-09-17T12:03:09.063985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016880
observed 04ac3b8a1f297225b6490c5e871deda3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:09.047124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016880/manifest.json
observed 88f8323b50a244f8dd3864019aab2708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:09.031527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016880/publication.md
observed b4edb6190d38273c0642799ac4780e35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:09.013894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016880/publication.txt
observed 3008e4f41a994f530cbc601441063e09...
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.