OpenTechnical

OT-2026-000077222

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000077222) never changes.

Identity and time

Publication numberOT-2026-000077222 · never reused
Internal UUID01a0ae94-f508-7baf-9e26-692f81e72edb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077222
StatusPUBLIC

Content hashes

Canonical textb8a9d2ca09f733664ec10105b6a5014ddb923131b8f0e2db48cbd26cb1614178
Markdownfa70d2d26a9faf3a6fbdbfd456aeebf8821d570207d5b4b191deaa6e753b0603
PDF
Publication page7c8498b2604e7248e47c0db43fa6a339ab1bf2fd9baf24e684199f3276bc63f0
Manifestb889a6111ce25ad00c0c06fe9d60a79ddb8b77f6922c8083fdb041e2d5f8ca3f

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
SignatureZfiA/m0V9onT3yYErzH2GVzxG6q63LLEOcWTYYMSlp7Z0h53/lX4BtIK6RNcnvYEaR9EjBwpoV0xNTJytojaBA==
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

2026-09-17T10:08:49.641835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077222
observed 7c8498b2604e7248e47c0db43fa6a339...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:49.621903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077222/manifest.json
observed b889a6111ce25ad00c0c06fe9d60a79d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:49.603924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077222/publication.md
observed fa70d2d26a9faf3a6fbdbfd456aeebf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:49.584333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077222/publication.txt
observed b8a9d2ca09f733664ec10105b6a5014d...
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.