OpenTechnical

OT-2026-000035543

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000035543) never changes.

Identity and time

Publication numberOT-2026-000035543 · never reused
Internal UUID01a0ae76-b4c5-766d-a153-ffb22ce698ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035543
StatusPUBLIC

Content hashes

Canonical text3e78264af316435d7e3cee68f63ea0cc7a8c9355572d512338d382263525b477
Markdownc17a4a275e9e2e96cbcf57bf8a0f84a5b26d7cb22a72ce4f85c6f95a5d25fb17
PDF
Publication page4530f5b157bd9e0ad7056b9edcb3caa46593565c0e584c289b771c9d0786673a
Manifestfde36032d670d13c2bad06fd041d608aad3b86768ddb903181ffb41c63344024

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
SignatureCWHGw242Fin92OlovGhG9obC4ksyZMylORemv6F92LUct35mTGUZhYNY1uKFhUOpePisUxqPpUYyD6nWgxAsBg==
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

2026-09-17T11:26:58.268241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035543
observed 4530f5b157bd9e0ad7056b9edcb3caa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:58.250156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035543/manifest.json
observed fde36032d670d13c2bad06fd041d608a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:58.234169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035543/publication.md
observed c17a4a275e9e2e96cbcf57bf8a0f84a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:58.217624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035543/publication.txt
observed 3e78264af316435d7e3cee68f63ea0cc...
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.