OpenTechnical

OT-2026-000017999

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, 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-2026-000017999) never changes.

Identity and time

Publication numberOT-2026-000017999 · never reused
Internal UUID01a0ae6e-96fc-7918-9408-35c453e5fc94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017999
StatusPUBLIC

Content hashes

Canonical text5b0ac7959673b18a71b153e187e88c391519dd2546810fcf8e5c28eae0d2b642
Markdown90bf71e3539e7bcaa77a45840cca01523b3b9a572b4bf447a1170653e49d4526
PDF
Publication page597b131c90c9bbb948baf14d542ecb400c8d854122a5834a500f223465f078d9
Manifesta99a87d83e482eb6849f747cfe98b561cb1b0ccc5f76af4c64d3a09d567280c1

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
SignatureK9Z73kek0onVQgAqEeBzDhNkCKrihTe52CgK0CRwmcPOsQuRCq8CfHviRljHIlPlYVFzkZ+147SPaLCDiP42AA==
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

2026-09-17T12:02:00.893625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017999
observed 597b131c90c9bbb948baf14d542ecb40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.877363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017999/manifest.json
observed a99a87d83e482eb6849f747cfe98b561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.861434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017999/publication.md
observed 90bf71e3539e7bcaa77a45840cca0152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.844525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017999/publication.txt
observed 5b0ac7959673b18a71b153e187e88c39...
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.