OpenTechnical

OT-2026-000073831

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000073831) never changes.

Identity and time

Publication numberOT-2026-000073831 · never reused
Internal UUID01a0ae93-2b8d-792c-a4bc-e636ffc16ac5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073831
StatusPUBLIC

Content hashes

Canonical text1246eb4a3f85ed4ab3266c7ec32b56dca35e318b933d5cee6cb72b4769727aeb
Markdown5f225e7ed010730716daf7f1cf3fb40b117f843fad7f52e98af1e37ec1612429
PDF
Publication pagecde6bf5e1b00643ec190c55cdc10bd775a0d98cc024aa5ee00aedbba137ab95f
Manifestd94d5f20b326ea3f84f8b24abfe464ac41cde25f2b94f435a13b362d522bb41f

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
SignaturegTUvPSaNeuDF0UB2tL2Eb/gcPNu+bB6wB2M1jSZwIv6lwyN+1fP9aGzMjiwrYHFUkZagsZqbXydKffosSITTDw==
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

2026-09-17T10:19:57.699776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073831
observed cde6bf5e1b00643ec190c55cdc10bd77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:57.680787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073831/manifest.json
observed d94d5f20b326ea3f84f8b24abfe464ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:57.663063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073831/publication.md
observed 5f225e7ed010730716daf7f1cf3fb40b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:57.643252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073831/publication.txt
observed 1246eb4a3f85ed4ab3266c7ec32b56dc...
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.