OpenTechnical

OT-2026-000073970

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000073970) never changes.

Identity and time

Publication numberOT-2026-000073970 · never reused
Internal UUID01a0ae93-2b8e-7eb3-a650-b63883d84427 · 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-2026-000073970
StatusPUBLIC

Content hashes

Canonical text5759545904f1b0d106d7a97609c3d80702ab77780dc16e1cfebdbc7372102c1b
Markdownd97f1b279d5e03ad6f3e0ebbd4942fbefac4d93f25041b777b6a2f2a975d8c7a
PDF
Publication pageddd051f053fde909cf7789724dbb28df0ce9c334fea10dfe6f044d4adf11c470
Manifeste943406d9a3b8480657bff6bf33e096d9fbc031bf6702071c6f92d6958725600

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
Signaturey0u2EXyGlfRIww/0ffzn4b929PNLD5UmWLknGvfx2darOqVZxHS3sSDZC/ebZBnu3zejbK/saWB/J7Ps+YkRBw==
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

2026-09-17T10:20:15.864019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073970
observed ddd051f053fde909cf7789724dbb28df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.845256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073970/manifest.json
observed e943406d9a3b8480657bff6bf33e096d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.823968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073970/publication.md
observed d97f1b279d5e03ad6f3e0ebbd4942fbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.805619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073970/publication.txt
observed 5759545904f1b0d106d7a97609c3d807...
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.