OpenTechnical

OT-2026-000074568

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000074568) never changes.

Identity and time

Publication numberOT-2026-000074568 · never reused
Internal UUID01a0ae93-717b-7092-bccd-402b1e1b6435 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074568
StatusPUBLIC

Content hashes

Canonical textda25d4255727146b85be5e7b637fe7371000e764d02c127f2129cdfc45e360b1
Markdown6291fbb483d866cae8cbdd7f7cacb8b3efbcb5fa94814af2e0a7ae0114564f02
PDF
Publication pageb73896005c6d61566f85087d5b0b2714b97147fe480602b47721061c2056fe4b
Manifest2a3137b97aa39afc69756e18bd56bb2b48f8f8c3dcef37288dd39b9864534d65

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
SignatureWzOPwSQDP4SwvLrvMFW0KMSUfAFUWFCFdcLwdELsp3JhTuERU5k9x6a43MmfFB1KjgHpGCCVkHLTn/x+u3VnCg==
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

2026-09-17T10:19:35.077678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074568
observed b73896005c6d61566f85087d5b0b2714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.059817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074568/manifest.json
observed 2a3137b97aa39afc69756e18bd56bb2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.041207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074568/publication.md
observed 6291fbb483d866cae8cbdd7f7cacb8b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.023084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074568/publication.txt
observed da25d4255727146b85be5e7b637fe737...
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.