OpenTechnical

OT-2026-000075753

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, 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-2026-000075753) never changes.

Identity and time

Publication numberOT-2026-000075753 · never reused
Internal UUID01a0ae94-29fe-736e-aa45-b2f22de479f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075753
StatusPUBLIC

Content hashes

Canonical text78fff4f4a223c278d394615d14a1a1ddc3adc3ffe3a8a98e399db6e43e8e86db
Markdown5adbde004b09676e7c2f06c5fa2a9281a8db56c10b79fac4b352a898e7e91f81
PDF
Publication page7cbb19bdde71c5426b7e9655cd5014765d5fb4f86d974d0467edeab19aaf3d70
Manifestbff200ed22df34bde2980fdd939da82af53f6770c931a446aa30625472ddc750

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
SignaturehzLoojm4hzSSXl2RoavDUB7Q+HKZjECLg/FNLAYyzReyesiE5xibzznKbA5n+L/yU45Sdf3wf7DmgTzszm3jBg==
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

2026-09-17T10:14:08.033461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075753
observed 7cbb19bdde71c5426b7e9655cd501476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:08.011915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075753/manifest.json
observed bff200ed22df34bde2980fdd939da82a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:07.992056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075753/publication.md
observed 5adbde004b09676e7c2f06c5fa2a9281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:07.971607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075753/publication.txt
observed 78fff4f4a223c278d394615d14a1a1dd...
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.