OpenTechnical

OT-2026-000084580

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000084580) never changes.

Identity and time

Publication numberOT-2026-000084580 · never reused
Internal UUID01a0ae98-e25b-7eb2-aa27-579017bd090f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084580
StatusPUBLIC

Content hashes

Canonical textb9064395169a459cdf8579f449416ad3d614a6829b3324440fa1187bfe039f7c
Markdown790fad8138967e6516a94c5b202bd408b7e0018c84bb1905863439c55ba4c9ef
PDF
Publication pagec547b695f7ac94733efac8f524776253a0b8fb79b9439766ff3eed8f4e539592
Manifestfc7e54ab4f11674157efd93d936615d454ef6b6879899efa4b309604308a2503

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
SignaturemqrX5aPJU0koLt2CvIOYRvA/7Nt66oQEJ/h9ku40RuGyErl1c9achDddpnaO7CQx61wfdciLBe8P4ZZhmnV6Dw==
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

2026-09-17T09:55:28.751636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084580
observed c547b695f7ac94733efac8f524776253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.733565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084580/manifest.json
observed fc7e54ab4f11674157efd93d936615d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.716347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084580/publication.md
observed 790fad8138967e6516a94c5b202bd408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.698929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084580/publication.txt
observed b9064395169a459cdf8579f449416ad3...
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.