OpenTechnical

OT-2026-000018075

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000018075) never changes.

Identity and time

Publication numberOT-2026-000018075 · never reused
Internal UUID01a0ae6e-96fd-7ac9-839a-2f047fecf84d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018075
StatusPUBLIC

Content hashes

Canonical text707de2227158ee45b426bb085738a9dae9dcb76489b762cb1b7ee4771b0a2d39
Markdown9a58f0ccc14900317d7e6d6e454caa348b18b8f0202fbcff0b24a2cd8d7ad1da
PDF
Publication page2ba6742ba6efc3df64c444645c09df5f5b8ac3a7bf6403aa168264bb174c73c6
Manifest63b38a51fd81594f7dad191963305c6f36907b4b8f7f7d4a52034be1b30b2603

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
SignatureXksqWNcZqrsqLXHf0ax12Z0fOwmf0b/mEravhk6V5F+RCZbBH5dHHlb0+FivF7AUh0SnuiVS2RnimfIywyP6AA==
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

2026-09-17T12:02:06.993547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018075
observed 2ba6742ba6efc3df64c444645c09df5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:06.977355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018075/manifest.json
observed 63b38a51fd81594f7dad191963305c6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:06.961145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018075/publication.md
observed 9a58f0ccc14900317d7e6d6e454caa34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:06.942471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018075/publication.txt
observed 707de2227158ee45b426bb085738a9da...
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.