OpenTechnical

OT-2026-000068203

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000068203) never changes.

Identity and time

Publication numberOT-2026-000068203 · never reused
Internal UUID01a0ae8f-c4ff-704a-bfe2-0a53d42f6a79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068203
StatusPUBLIC

Content hashes

Canonical text67875bebfdde7d50524d9e17d6702e13a6d674d97210ed6e6b9429d3ffa84c55
Markdown331a787ede3f989fd975712596482931c43060a6928afb7b70b194bdcbfab37f
PDF
Publication page8cb2941b3b7f4865fc6d2428f2519542d68cc28748d804e40d1716efc168f18b
Manifestcb7e780eddafabb323fe8771d6a7545b2c4aaabad0e583b62449e84ddddcc077

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
SignatureyWb0KsaetHoxV0b/Udgmnn6NULWVhyVlqGDxQmEiUVa6Y5d1bq39hTnpAjKIfsbTecvPqEdylAPBoE4S0LPxDw==
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

2026-09-17T10:30:51.893167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068203
observed 8cb2941b3b7f4865fc6d2428f2519542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.876870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068203/manifest.json
observed cb7e780eddafabb323fe8771d6a7545b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.858613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068203/publication.md
observed 331a787ede3f989fd975712596482931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.841605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068203/publication.txt
observed 67875bebfdde7d50524d9e17d6702e13...
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.