OpenTechnical

OT-2026-000016648

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed blow-off before set-down

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-2026-000016648) never changes.

Identity and time

Publication numberOT-2026-000016648 · never reused
Internal UUID01a0ae6e-5918-7f2b-a1f5-4f5c5d3034f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016648
StatusPUBLIC

Content hashes

Canonical textb5df23aa15d789721c3a5db1b40d4fb0161ce778cb0cf82541fb7952e2a1b527
Markdownd60b3f6380a5b9a1c86fafad46cd06f5440a9b84faba87a685ff6d7e71feef8b
PDF
Publication page9f6434040b58aa09d0ae06b0ee728c76e5a1d2cf9b834900b5a6cc0153e0425e
Manifest5f3e12fec0c1ff6ea696027d17131e1190e9246629083e6f901eebd687b5a264

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
SignatureYJUW7gMKAzTamNugqnH+Sdy8dRgk9FOxPqPoSuK6zM2zbuqmwWx8tAit9Jr6ZQ0uP0j/cMjFCmO9/bgjzMn0Aw==
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

2026-09-17T12:02:50.690861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016648
observed 9f6434040b58aa09d0ae06b0ee728c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:50.674532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016648/manifest.json
observed 5f3e12fec0c1ff6ea696027d17131e11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:50.657426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016648/publication.md
observed d60b3f6380a5b9a1c86fafad46cd06f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:50.639505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016648/publication.txt
observed b5df23aa15d789721c3a5db1b40d4fb0...
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.