OpenTechnical

OT-2026-000016868

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-2026-000016868) never changes.

Identity and time

Publication numberOT-2026-000016868 · never reused
Internal UUID01a0ae6e-5919-7d0b-a9f1-07e22bbdb03d · 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-2026-000016868
StatusPUBLIC

Content hashes

Canonical textaac1833a3fc732a6bc542d7fd950d8e03b111bfc8b6b9bd4f5710c9c86c528eb
Markdownd20c446796ff15652b30f22b95e47efef58b56a302414026f78f8ed1d752522c
PDF
Publication page4df8fc1631a4739665ddb63d53164b689990e31b5bf1d69da0e707a75dc6b535
Manifest1f967381a02563a33cd02798ec7ca87b139aed450a9cc683b77954aa3d102d68

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
SignaturegKvqXld3h0V1T61A+NBaSgmsTX7+5SfhAPp9nfg0pBHGIouJx0FEgQy/ClMm/yVlvvzsBz80DXBPqwMgAWuhBg==
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

2026-09-17T12:03:08.241904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016868
observed 4df8fc1631a4739665ddb63d53164b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.224835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016868/manifest.json
observed 1f967381a02563a33cd02798ec7ca87b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.206628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016868/publication.md
observed d20c446796ff15652b30f22b95e47efe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.188282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016868/publication.txt
observed aac1833a3fc732a6bc542d7fd950d8e0...
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.