OpenTechnical

OT-2026-000033355

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed 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-2026-000033355) never changes.

Identity and time

Publication numberOT-2026-000033355 · never reused
Internal UUID01a0ae75-8980-7cf5-bd5f-a4308cc00fb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033355
StatusPUBLIC

Content hashes

Canonical textc7cb88b7df39859b56c756309c39b914fcb73845fed0f2222331ab5dc95b4cb5
Markdown935b778a431c6af7cb6ea28b57f6367a8acd734004afb898bf2578f99e317023
PDF
Publication page50e89f3226a06a332d4478ac32e67a5156652e60f0bef38ca79c303ec21e00a4
Manifest8505a167981ba8c9a1e90f3f011730d71f8c64841513f7ea43449ab9a637df05

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
Signature5EOsN0+fv3QhXJTRrT8p7aoqj4IBEVDrzQawgo9owcoIIGkNzFmOx7xfKBfu7GtO8/+8ytxGEJEGu8I8Li8JAQ==
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

2026-09-17T11:32:07.138278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033355
observed 50e89f3226a06a332d4478ac32e67a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.118353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033355/manifest.json
observed 8505a167981ba8c9a1e90f3f011730d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.094542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033355/publication.md
observed 935b778a431c6af7cb6ea28b57f6367a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.076029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033355/publication.txt
observed c7cb88b7df39859b56c756309c39b914...
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.