OpenTechnical

OT-2026-000069240

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000069240) never changes.

Identity and time

Publication numberOT-2026-000069240 · never reused
Internal UUID01a0ae90-b528-7bc0-ab88-30cc82e93b18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069240
StatusPUBLIC

Content hashes

Canonical text72c702665754073a571af49105e0008addd2d573cbaf5ed819e4472b48173f17
Markdown04ab796b57223de9adf92b203c20d6261a63b090ce666235d1d1ae4fd3697f6d
PDF
Publication page7931b3ce1765f4055c570e8501475865a7cb5950f539d3e76be7a7719406b1cf
Manifestb5b2baf71d0832a0b4eebd4132f5e18dd4304bba299db94d5c5533c9cf30f806

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
Signature7MVb+WCODe41DBnVX9l6dlWKV7ufBF6iqVfzWQ/T7aL7+7oadHwNiDWC4Jjgnsqh184htVvc7KcQw2vkVxGxCw==
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

2026-09-17T10:27:18.619974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069240
observed 7931b3ce1765f4055c570e8501475865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.602060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069240/manifest.json
observed b5b2baf71d0832a0b4eebd4132f5e18d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.583752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069240/publication.md
observed 04ab796b57223de9adf92b203c20d626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.567576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069240/publication.txt
observed 72c702665754073a571af49105e0008a...
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.