OpenTechnical

OT-2026-000016844

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000016844) never changes.

Identity and time

Publication numberOT-2026-000016844 · never reused
Internal UUID01a0ae6e-5919-75bf-afd8-6cd03a8dc243 · 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-2026-000016844
StatusPUBLIC

Content hashes

Canonical text762b1886b1502e5fe9617bafa767ee055dd046702538096173e55cfc5183b428
Markdownfe57dfbedcc8902f4d12bf706b37c9a5319bc52e259486fbb4e217813b3057c1
PDF
Publication pagec53110a774be73a3a7f8aa4be74087f26bc1b20c201075a1590229d73c397ab3
Manifest48d87a8a945e1a840eec0e9cec6475ad37dbf1763484869372db37041b3afd6f

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
SignaturezrvAYhSTybtx0LxVzx6jFMH8PDpXttOD2Pqlp5T8qWNjgfw+AiXJWislMd01UOa1EoD/GPKdMCppHuzl1tTbAw==
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

2026-09-17T12:03:06.383879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016844
observed c53110a774be73a3a7f8aa4be74087f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:06.366801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016844/manifest.json
observed 48d87a8a945e1a840eec0e9cec6475ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:06.348842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016844/publication.md
observed fe57dfbedcc8902f4d12bf706b37c9a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:06.330397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016844/publication.txt
observed 762b1886b1502e5fe9617bafa767ee05...
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.