OpenTechnical

OT-2026-000023321

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000023321) never changes.

Identity and time

Publication numberOT-2026-000023321 · never reused
Internal UUID01a0ae70-7268-7110-a84f-8f6a7f05a1ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023321
StatusPUBLIC

Content hashes

Canonical text671b3d89cfd39c4e2da12df795ba029376ec63e603868591c0209edee73229f6
Markdowna41e79c403f131e3ffa72ef563d7e7b6269dcfc082247474e8ffdbe7f63462ae
PDF
Publication pageb5b691b5b2aa66be1e7c4f2c33565f50eff44ed5860648c6da0377864d5eba11
Manifestdafaa7d085b67b5a462c05e445d62986a7de31a299ac55c016058a6f8973f08b

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
SignatureYXxVo5dooWf/4nEvHiJS2bxFGjbH1ANzCUsmkcSoiKRTBZf+eMWjd806thIwMOHVaggt06wlH1dht/MXgWvpBQ==
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

2026-09-17T11:51:24.398719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023321
observed b5b691b5b2aa66be1e7c4f2c33565f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:24.382745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023321/manifest.json
observed dafaa7d085b67b5a462c05e445d62986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:24.367726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023321/publication.md
observed a41e79c403f131e3ffa72ef563d7e7b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:24.349424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023321/publication.txt
observed 671b3d89cfd39c4e2da12df795ba0293...
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.