OpenTechnical

OT-2026-000097547

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000097547) never changes.

Identity and time

Publication numberOT-2026-000097547 · never reused
Internal UUID01a0aea1-55b4-79c2-b469-dbce81c4e9f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097547
StatusPUBLIC

Content hashes

Canonical textacb4b028e073da304d71b469b5458da11dcc10d3f8d654e6f4303a0e002a176e
Markdownd485de346cee427d5182bfd57704e7afdf70accf893bf390b694ca4c79be3b69
PDF
Publication page85326dd1854b6521beca1429f52c872ce6aa8f393fcaf7a8cf956bba9fb7f615
Manifest891aab0a2f99cccfc92faa28fcb8419605c5872670a2aa44624fafd08b375324

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
SignatureUL8fEXfRH5jPCsMjRMZVgps89dIpn1aypxxufmdhuUJZw1pvc782Kez1KPdiOYIG6/na1aPJU039XKBHfaKsCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:25.630487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097547
observed 85326dd1854b6521beca1429f52c872c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.612921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097547/manifest.json
observed 891aab0a2f99cccfc92faa28fcb84196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.594775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097547/publication.md
observed d485de346cee427d5182bfd57704e7af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.573812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097547/publication.txt
observed acb4b028e073da304d71b469b5458da1...
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.