OpenTechnical

OT-2026-000025155

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, pulsed blow-off 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-2026-000025155) never changes.

Identity and time

Publication numberOT-2026-000025155 · never reused
Internal UUID01a0ae71-5fa5-7822-a50f-aa7cf14aa467 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025155
StatusPUBLIC

Content hashes

Canonical textbea4583835453d8af9e6677c0e83f86f4b494ecfa64dd9ebca1e19b59b980b31
Markdown8ab1edd20e57398e6d85c3f0c975493823e947c4a94ee8ccd8e7b7a0f867e040
PDF
Publication page4bd4971496e1c66ab10048e3b7ec646e624c43764674bd8eb9b3a639779c493f
Manifest9e518a36dc5e3e05c34aa3b41842a84992e2fc26bbf9be800ba3610ac4163e2a

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
SignaturehMY0unP871JR1APH7vHbv2tD69/JyDSJGw7nzeOvM1Nim9Va2Y8/IZFMa9CAPA928OwEnsp+Fbf758CPYDYEAg==
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

2026-09-17T11:47:02.574875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025155
observed 4bd4971496e1c66ab10048e3b7ec646e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.559065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025155/manifest.json
observed 9e518a36dc5e3e05c34aa3b41842a849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.540992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025155/publication.md
observed 8ab1edd20e57398e6d85c3f0c9754938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.524903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025155/publication.txt
observed bea4583835453d8af9e6677c0e83f86f...
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.