OpenTechnical

OT-2026-000097358

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000097358) never changes.

Identity and time

Publication numberOT-2026-000097358 · never reused
Internal UUID01a0aea1-01cb-7195-a4af-ebc7b617a79f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097358
StatusPUBLIC

Content hashes

Canonical textc4cb35f533766c03c875244364a6f05304daa4f7d9299d12516151af353c97f6
Markdownfc9a283948817b8f97d7ddb4b49465e1fb9249f5bac1135017729e06e7eafc82
PDF
Publication page5b279a5d7ec64daba65138b903943ad30f73b5d5624e7707621d8df061b12339
Manifest521e84f461ccd97248ef4ccc94ff65e19f232cf7a1c94493a83fb653d83acaaf

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
SignatureHDcCvWZCE7t/376Ur7fOgYuilmZcWugkbcBxCXcXXhwVr0xv0aZGQPJM6Ddm5AwMdphRf63h94BtJYaI9DHpCw==
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

2026-09-17T09:33:37.898534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097358
observed 5b279a5d7ec64daba65138b903943ad3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:37.879683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097358/manifest.json
observed 521e84f461ccd97248ef4ccc94ff65e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:37.861412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097358/publication.md
observed fc9a283948817b8f97d7ddb4b49465e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:37.840140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097358/publication.txt
observed c4cb35f533766c03c875244364a6f053...
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.