OpenTechnical

OT-2026-000068784

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000068784) never changes.

Identity and time

Publication numberOT-2026-000068784 · never reused
Internal UUID01a0ae90-6dcb-7b94-ba87-57ed77ffe102 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068784
StatusPUBLIC

Content hashes

Canonical text12ad96e205e5bc7e56578390a664e706fca8033141ae8b7a3e5598ee7b6a3442
Markdownf42b34cf06869ed4fe0cf9ba8db02baa7051192b421043fd7951c13fe5d8e261
PDF
Publication page86397e64491d5f718f7b77fdaf52c4f8e14c26168a5a5319cc0c25a9df13e748
Manifest2772b3fe05dd960ea7f4405c47b0f25b944618d31d7998813bd9ac7fef60f41d

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
SignatureK5HpfRRt9jErJpSrj0gmGUh6cVWyNm9i782ebybaYQGQU2vBJQAPiOhtwUU/NAOxInnKr0kErXCnpjiz6T6jAw==
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

2026-09-17T10:28:34.686424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068784
observed 86397e64491d5f718f7b77fdaf52c4f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.668889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068784/manifest.json
observed 2772b3fe05dd960ea7f4405c47b0f25b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.650811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068784/publication.md
observed f42b34cf06869ed4fe0cf9ba8db02baa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.633096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068784/publication.txt
observed 12ad96e205e5bc7e56578390a664e706...
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.