OpenTechnical

OT-2026-000063980

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000063980) never changes.

Identity and time

Publication numberOT-2026-000063980 · never reused
Internal UUID01a0ae8d-53bc-756d-9395-e376a3ffdccb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063980
StatusPUBLIC

Content hashes

Canonical text688de119490aa03926b5934fa26fd999983a00d494877503c698da6c698519fe
Markdown03aea87cc57c17be1e3410901812bb2e4d1124cd059039a06864ad45e7b9698d
PDF
Publication pageb1d297af8dc50bb0a84dcfe6ac5d44ccdc5c33b9976cd09b447dab4c94f92d40
Manifesta46b956237a5be97bd08503edb9acabdbe9576e6f177bb5c9a50852eda58a42e

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
SignatureGJQHMED7dpUMVmTv3hw1oXFex1qVNH8VpdmTNu5Zu5SRmdusl1xZP0AeBAvEma+OeEeqsNDAUKt7q12rt+dfBQ==
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

2026-09-17T10:37:02.981505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063980
observed b1d297af8dc50bb0a84dcfe6ac5d44cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.963005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063980/manifest.json
observed a46b956237a5be97bd08503edb9acabd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.943784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063980/publication.md
observed 03aea87cc57c17be1e3410901812bb2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.922612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063980/publication.txt
observed 688de119490aa03926b5934fa26fd999...
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.