OpenTechnical

OT-2026-000073748

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented before set-down

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-2026-000073748) never changes.

Identity and time

Publication numberOT-2026-000073748 · never reused
Internal UUID01a0ae93-2b8d-7fe1-83ff-ee4f2ed92625 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073748
StatusPUBLIC

Content hashes

Canonical textab4a4ac0f44ec4deaeab439a951361611fb78dde4a61e980cf20a1d2355f822e
Markdown8d4f986a743b2380da668e5b78af99c7ad7d10dadb7aa688f451581111b72c11
PDF
Publication page3dbaacdaaf1e3f993f8c9b69464c9ffddebed3c6b7501b7f5d32b071d1ce03af
Manifest2ab60d1e523a49e91ea8918c474dbc43738396ef56141dd14482f9f37aa38260

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
SignaturepFOJiUn6F56G4/UMK9wM5ETEPd5GS4ztPEPnoLOdOChAt2q95G5DKpXWU56ZWX18a9QuAiAkgNr2M+PMwQpBBA==
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

2026-09-17T10:19:50.080163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073748
observed 3dbaacdaaf1e3f993f8c9b69464c9ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:50.052071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073748/manifest.json
observed 2ab60d1e523a49e91ea8918c474dbc43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:50.030883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073748/publication.md
observed 8d4f986a743b2380da668e5b78af99c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:50.010907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073748/publication.txt
observed ab4a4ac0f44ec4deaeab439a95136161...
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.