OpenTechnical

OT-2026-000015364

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single 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-2026-000015364) never changes.

Identity and time

Publication numberOT-2026-000015364 · never reused
Internal UUID01a0ae6d-ef49-730e-a2dd-f43fb631603b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015364
StatusPUBLIC

Content hashes

Canonical textc65d9128490b21b3e87cc788e840bd84271bd2e84b5775cd389db20ede785b91
Markdownde7bebf7b84131ce8ff7825d3da9a100d083fe07e40a7d5f3fb1d6b761e8985a
PDF
Publication page9ee63a866a6e41b0e2dec408973dbca6e5a961d5e3fcf668afeee68f85837e58
Manifest69e1ef168ef553eb5c70c70c1351f86f3a84c41df5740152d7304f1c0ba9f7f7

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
SignatureJJigNOtoK8o6GZUzpeA7FAKOisBidFUc08SBXybXRf/E43w2/FRASattdSKHqWAUFzpk73UOm+X8cQiZ1/ZnAg==
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

2026-09-17T12:06:04.511538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015364
observed 9ee63a866a6e41b0e2dec408973dbca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.494420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015364/manifest.json
observed 69e1ef168ef553eb5c70c70c1351f86f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.473633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015364/publication.md
observed de7bebf7b84131ce8ff7825d3da9a100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.453811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015364/publication.txt
observed c65d9128490b21b3e87cc788e840bd84...
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.