OpenTechnical

OT-2026-000089280

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000089280) never changes.

Identity and time

Publication numberOT-2026-000089280 · never reused
Internal UUID01a0ae9b-db01-7c32-8808-b91e465db37d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089280
StatusPUBLIC

Content hashes

Canonical texta881376b2edc85b9d73027364b2498ec9be6b1c28ebdd5d8fae25e6ba3ad7240
Markdownbb18a2c6f5d02a263406970bd44e1c13d6d3646f2e931efcfa83b30ef84b5852
PDF
Publication page1e54ca1ec957030d2ed4af1cee7d809f0c3abf375ab11415e08eeee7411dcc33
Manifest5b00af109111dd58eb3e94a02ae50317385607fc966f5d5933db6e2575ebeb4b

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
SignatureaSOSLvXVUt+X1FRYRrlalbrxw0/cikvUrX4Qn9VhsaoTcBv5T2Fp1Q7pvi3PwBPSU/VbybTB+cewd++nJaOLBA==
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

2026-09-17T09:47:19.477359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089280
observed 1e54ca1ec957030d2ed4af1cee7d809f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.461146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089280/manifest.json
observed 5b00af109111dd58eb3e94a02ae50317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.444267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089280/publication.md
observed bb18a2c6f5d02a263406970bd44e1c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:19.426910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089280/publication.txt
observed a881376b2edc85b9d73027364b2498ec...
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.