OpenTechnical

OT-2026-000064592

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000064592) never changes.

Identity and time

Publication numberOT-2026-000064592 · never reused
Internal UUID01a0ae8d-deb7-774e-8f25-622d606b645b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064592
StatusPUBLIC

Content hashes

Canonical text30f557dde8d2dd6ee6fd1222323b39a5ebc21bffadc5e64258c14263ae8adfe2
Markdown0d30f621e3dffd7126ac165d3aab3cf0e4e6b929fd11c5f8b2ca5c0f0bc32409
PDF
Publication page52809b7cdf9395375ea2e0d748736d338b44a3a2421ed5d70e133609f2344dca
Manifest6c169c22104c476499aa31d5d6ec78ee95c1c23c439075d22676c0490e07edf8

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
SignaturekuDcGoilrugg7vrVSTwzWBezwg/LvAAlIZCQtRXzCadXGeihIO3/Mp6WaWSkcYLEBFl3g5f9vELYvUUHqZckBg==
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

2026-09-17T10:35:21.880484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064592
observed 52809b7cdf9395375ea2e0d748736d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:21.862458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064592/manifest.json
observed 6c169c22104c476499aa31d5d6ec78ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:21.843623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064592/publication.md
observed 0d30f621e3dffd7126ac165d3aab3cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:21.826147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064592/publication.txt
observed 30f557dde8d2dd6ee6fd1222323b39a5...
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.