OpenTechnical

OT-2026-000072561

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000072561) never changes.

Identity and time

Publication numberOT-2026-000072561 · never reused
Internal UUID01a0ae92-89d8-7018-b0c0-ddb3edba1db3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072561
StatusPUBLIC

Content hashes

Canonical text35eec8d642415309d75354c41275390b36c6f92193df866d45815b558cabb9ad
Markdown3e786aa1a5bee2da48f6ec03ebc9c36d6261953d831dfe52c18d20fa62aef4f0
PDF
Publication page785ab82a96718a80c8f1cd498f77183f64cfeb51387a5661637eda2f6261073a
Manifest5bef158417c3c3d3726a32ed6a64dde11392a99ba3391d28ceae5741795b0eac

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
SignatureRvdYBhePOkov1L8ztB1DvpWFf1WjwOfngPwMJHmE7knsqyFOm7hYEfkRc8CHv6dHOvZRMArfCF0NwletE16sAQ==
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

2026-09-17T10:22:23.800421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072561
observed 785ab82a96718a80c8f1cd498f77183f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.782641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072561/manifest.json
observed 5bef158417c3c3d3726a32ed6a64dde1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.764956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072561/publication.md
observed 3e786aa1a5bee2da48f6ec03ebc9c36d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.746415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072561/publication.txt
observed 35eec8d642415309d75354c41275390b...
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.