OpenTechnical

OT-2026-000084632

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000084632) never changes.

Identity and time

Publication numberOT-2026-000084632 · never reused
Internal UUID01a0ae98-e25b-737f-9a1c-ceaf84015a96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084632
StatusPUBLIC

Content hashes

Canonical text1f62ef96e15ac1888f98a2b9107d4e4b943e0ed00fbd084da0f566eb4f9039b3
Markdown76eb8caf0350e8e8ccf667f2ffb8d0e659c03c17fd1d1a1fce57ed7356611303
PDF
Publication pageac258f4964e91a9e03aa8a6718a42ef892d1391aeef7942ada15f09149f938b0
Manifest9a2cb38885ea0d3e73aab94406dd972d5160d7af3898d03113b507ede8d5eb83

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
Signature9ICC8FtaSLO+9aYzM27lni/JWDVxgVjZPVUOnRsiRrZJgcL3SRfg8KAfbYZNeMHt2PrIxb0ajob/bMbls7KlDA==
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

2026-09-17T09:55:32.881331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084632
observed ac258f4964e91a9e03aa8a6718a42ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:32.863847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084632/manifest.json
observed 9a2cb38885ea0d3e73aab94406dd972d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:32.845090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084632/publication.md
observed 76eb8caf0350e8e8ccf667f2ffb8d0e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:32.826292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084632/publication.txt
observed 1f62ef96e15ac1888f98a2b9107d4e4b...
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.