OpenTechnical

OT-2026-000043274

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000043274) never changes.

Identity and time

Publication numberOT-2026-000043274 · never reused
Internal UUID01a0ae7b-327d-7ba5-94b6-d3b2c44f59d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043274
StatusPUBLIC

Content hashes

Canonical text3374a2cb842164e40021e67fe02744034ee72fe3d18947502e62724a2d5f6acf
Markdownd105f6a9944be3dd4995f3f9324ff6b2996f9273cb4c6b257c6a709fbda4de26
PDF
Publication page74dda2491723ab10f3922bdb304e012a8dc47f69c0857ca1959c786517418d26
Manifest0a080111c5e69d31a1729bc5eab4f2d3fda0bd94a5c3e68cfa48fc97e97e2715

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
SignaturelrL4jp05NDtH6de2oUnay/sG3Z+oFOfQy76sHQhql9jtW9f53/MJfe7no7zzJ6isfk4SjFfEcZjjgVhQ4N96Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:45.697280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043274
observed 74dda2491723ab10f3922bdb304e012a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:45.679108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043274/manifest.json
observed 0a080111c5e69d31a1729bc5eab4f2d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:45.657475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043274/publication.md
observed d105f6a9944be3dd4995f3f9324ff6b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:45.637661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043274/publication.txt
observed 3374a2cb842164e40021e67fe0274403...
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.