OpenTechnical

OT-2026-000075742

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000075742) never changes.

Identity and time

Publication numberOT-2026-000075742 · never reused
Internal UUID01a0ae94-29fe-7dc4-b1bf-11f1d8dbba7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075742
StatusPUBLIC

Content hashes

Canonical text7b9495d28d264aec4819f9da140ae48808b6cd394992389fe0e0d1e901fda06b
Markdown1b571e168ef2b2673b86750d8a35d5bce2fa6317be477f48a5d32e37fe8c7039
PDF
Publication pageb47df27724c33cde3949be47420760569d770cde21037b767272be86d0b1ba14
Manifest3bde161ee9fbf3d94e30fa8d716b3fc53ebe638adf322dd45939e839e27ef667

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
SignaturecbpyXObdErr8kHbHbwaCtIv+6f+Q0NOEoU5dpOit+mE/u+1bdSDizln4KYgYPzyBHAv4fWF+gPL6qmt8Xw3ICA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:14:05.311907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075742
observed b47df27724c33cde3949be4742076056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:05.290123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075742/manifest.json
observed 3bde161ee9fbf3d94e30fa8d716b3fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:05.046472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075742/publication.md
observed 1b571e168ef2b2673b86750d8a35d5bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:05.027884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075742/publication.txt
observed 7b9495d28d264aec4819f9da140ae488...
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.