OpenTechnical

OT-2026-000033156

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000033156) never changes.

Identity and time

Publication numberOT-2026-000033156 · never reused
Internal UUID01a0ae75-4844-70f2-9856-2b1e22f06e0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033156
StatusPUBLIC

Content hashes

Canonical textd5e40f3e8ae3fae23a271e5a987dc4f0d446c51c70453778ea7643a1031d26b9
Markdownbf0e2eb7df080f282598aac058480ceb0fe5275962e6b1b455e7e48aca00a32c
PDF
Publication page6e2a15a4ceee1ea3a2b7491cd7fa9d9f063aa62549bc52a6fb06813f167e8da7
Manifest9ec385ac9ec7570320290fbf452b6a981a54d03ab3275d3c1102ee3ce17d9e95

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
SignatureTgR2CRfDC3PzWgpiK1a7M32oBlmn3y958pGapeV+aIpUGNsApmhzVMYBUnYYIaaSGKWzTwqAId6FhS2G8nb/Aw==
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

2026-09-17T11:32:50.639153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033156
observed 6e2a15a4ceee1ea3a2b7491cd7fa9d9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.620957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033156/manifest.json
observed 9ec385ac9ec7570320290fbf452b6a98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.601956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033156/publication.md
observed bf0e2eb7df080f282598aac058480ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.585551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033156/publication.txt
observed d5e40f3e8ae3fae23a271e5a987dc4f0...
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.