OpenTechnical

OT-2026-000088286

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000088286) never changes.

Identity and time

Publication numberOT-2026-000088286 · never reused
Internal UUID01a0ae9b-5d26-78dd-ba44-79c20fd81134 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088286
StatusPUBLIC

Content hashes

Canonical text7dce1b44b61e41ba73838397e1a1e3baa64da16a2d66d5bbb1c9d117225963f8
Markdown4f9d49f6348c0253825aa206340ab97ad8c9e2493066b7a7fe5d05ad9645bc05
PDF
Publication pagef133632aff9b6c0711406c59abf879cfa374ac0f1ffdf42586c486af79f3c55a
Manifestc681b03f862ecc5b54dd6c04da4eb59cbcabe4049975bd006b3d8bd7bccb18a1

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
SignaturembnqJG1SOJHqblBxt+xL181zXQfarmtxvoiWmnSb28JnVzXpLll2GBCabUvIL4sJ0KsXN1ONjXtuC/9NcMxODQ==
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

2026-09-17T09:48:36.999957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088286
observed f133632aff9b6c0711406c59abf879cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:36.982171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088286/manifest.json
observed c681b03f862ecc5b54dd6c04da4eb59c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:36.962991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088286/publication.md
observed 4f9d49f6348c0253825aa206340ab97a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:36.944126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088286/publication.txt
observed 7dce1b44b61e41ba73838397e1a1e3ba...
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.