OpenTechnical

OT-2026-000080707

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000080707) never changes.

Identity and time

Publication numberOT-2026-000080707 · never reused
Internal UUID01a0ae96-b973-72b0-af3d-177c9d586d3d · 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-2026-000080707
StatusPUBLIC

Content hashes

Canonical text77a38660769594bbea57116e227d2e4d3ccf3d0d547955802af21b6bc1d00c09
Markdown4fc711654881608463158b5ed73b50b44e64fc3d003d7a26932c47dc05b7c968
PDF
Publication page3b61b8663d7d88024b6ade712a9097408a053b76261e82e1d05cad7c9e4f0b96
Manifesteff0f93665b01a25f2e1de4623a3a68d21e8acadc8c5b75c77a4e05a8b930206

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
SignatureHtbFLfEzaISPGpUEmpawBcbuDqs9pZ1z6OxIc9pzQEU6LvIY3LCYhZvEH5nF7MntV+MVCgjoRPoEq4VcIwCXCg==
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

2026-09-17T10:01:44.321012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080707
observed 3b61b8663d7d88024b6ade712a909740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.300873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080707/manifest.json
observed eff0f93665b01a25f2e1de4623a3a68d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.280140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080707/publication.md
observed 4fc711654881608463158b5ed73b50b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.259818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080707/publication.txt
observed 77a38660769594bbea57116e227d2e4d...
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.