OpenTechnical

OT-2026-000068775

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-2026-000068775) never changes.

Identity and time

Publication numberOT-2026-000068775 · never reused
Internal UUID01a0ae90-6dcb-76cc-a89b-b90081983b69 · 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-2026-000068775
StatusPUBLIC

Content hashes

Canonical textc88f66ad2f19ee33942f9e90263448e8cc2772a63a37a766c4b047472529a6b8
Markdown8e1d23dff00bdf249b31807d0ce9df6c690bf693fba192b35bfa7977b7ce3e89
PDF
Publication pagec20acbf6acfa80e592f29ecef8572c7bd42206989a776bb7c3670174ae61260d
Manifestda55e0a966a1ad40978d314d2aa3e029a11ec7e72178840b208e8b75c274cd10

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
Signatured0Qd9ByHteFRJAh3SeHz2TDbe5CATWKCljdIiSK3rSYItIJYvaevWv3iFbFwokzMvmmyMUW1tLPDNSQ927fDBQ==
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

2026-09-17T10:28:34.035434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068775
observed c20acbf6acfa80e592f29ecef8572c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.016479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068775/manifest.json
observed da55e0a966a1ad40978d314d2aa3e029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:33.998685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068775/publication.md
observed 8e1d23dff00bdf249b31807d0ce9df6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:33.981618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068775/publication.txt
observed c88f66ad2f19ee33942f9e90263448e8...
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.