OpenTechnical

OT-2026-000095642

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000095642) never changes.

Identity and time

Publication numberOT-2026-000095642 · never reused
Internal UUID01a0ae9f-fac4-7bcb-a574-f4338e76ab0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095642
StatusPUBLIC

Content hashes

Canonical textdb6bf7b5d2445d4837e3b1c878c041d2559ad960299a8c8f0f3bd1bb1eaeef8c
Markdown2505db316b7d15392dbf9f7fe0658072aefaf9b6ec0e89033e2be55de71e7e2b
PDF
Publication page9391bc7863ae37ad5900d592916c73141c636e6a296f9e2564e1a9a2f02c9e34
Manifest2e405efd093e284b304f61b01527ef3383103a06b410c5af2dc111b9d3d1810c

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
Signaturejetaw9jPIuo1+cPspwk7RDiamHRKvXqLjuhFLScEGpio0VBVUOC1SuLlBSajE8ug/ix/8IbpSDHdKsnU+g3cBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:06.491134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095642
observed 9391bc7863ae37ad5900d592916c7314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.474209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095642/manifest.json
observed 2e405efd093e284b304f61b01527ef33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.455729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095642/publication.md
observed 2505db316b7d15392dbf9f7fe0658072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.436923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095642/publication.txt
observed db6bf7b5d2445d4837e3b1c878c041d2...
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.