OpenTechnical

OT-2026-000080763

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000080763) never changes.

Identity and time

Publication numberOT-2026-000080763 · never reused
Internal UUID01a0ae96-b974-7283-98e9-cde3264adb66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080763
StatusPUBLIC

Content hashes

Canonical textbc8c40ee923367bdd645108167d3abb93920baa87aaf7ca0cedc8e8d7123b8f2
Markdown3f477a2d707788108b7a34ce27ded72d1e00b03c7f7be772fe58f9d5b45795b0
PDF
Publication page9348940363639233e5a104ccd510ba0a6f0bd012738e361c3274106792ffd5e2
Manifest010917137da85ba209c77d4d74231843c4893119194a9251d4a174cdf593539f

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
SignatureXXud0EhgNleOFPSTmCZdL2GlPj0f6HRgYGe8mN7xQtd54DBeQmLOiHFUuM/+I6Qb93kRVo/l03NCqHVslsvbAg==
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

2026-09-17T10:01:55.707872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080763
observed 9348940363639233e5a104ccd510ba0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:55.689302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080763/manifest.json
observed 010917137da85ba209c77d4d74231843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:55.671825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080763/publication.md
observed 3f477a2d707788108b7a34ce27ded72d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:55.654674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080763/publication.txt
observed bc8c40ee923367bdd645108167d3abb9...
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.