OpenTechnical

OT-2026-000089983

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089983) never changes.

Identity and time

Publication numberOT-2026-000089983 · never reused
Internal UUID01a0ae9c-428e-7ce1-bdbf-d092fd45dcc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089983
StatusPUBLIC

Content hashes

Canonical textdbbd915b412da2787d99413410d4b0a43e000fe4f8b4310bcdafc29ab2061c58
Markdown7afbaba3f5f0fc43dca2eb9a110969e5990d33ade202f79c01e7b18220e51f22
PDF
Publication page0d93633e5f3b14246f5d2b09b2e5cac1460b4a3aa6cee1a10e8080c3a730a73d
Manifest2377bf28638d24163ba7a332dd1a5e9b559a3c61244b57092942aac9342b5bb2

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
SignatureT+ObCqhuCxPIlr4vKAgdzmFy6EJMSvVwbx1zVsKhncDld7BaTakA56uUVUG+ZOkLsSsvpBYyhhfnlYqWQlwGAg==
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

2026-09-17T09:45:22.342018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089983
observed 0d93633e5f3b14246f5d2b09b2e5cac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.323951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089983/manifest.json
observed 2377bf28638d24163ba7a332dd1a5e9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.306632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089983/publication.md
observed 7afbaba3f5f0fc43dca2eb9a110969e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:22.288154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089983/publication.txt
observed dbbd915b412da2787d99413410d4b0a4...
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.