OpenTechnical

OT-2026-000043987

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000043987) never changes.

Identity and time

Publication numberOT-2026-000043987 · never reused
Internal UUID01a0ae7b-d679-76c1-b52a-caa5a2b986db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043987
StatusPUBLIC

Content hashes

Canonical text3add54f2fcce89bd5d683c960cf0452fee308ae7bec5208eae739c525612ff0e
Markdown1f12193871cfbc7034084c383c35a6eb169cc0a1428c383f156ab769f06c3e44
PDF
Publication page0fff984dad555901031fb9be3012731ae10691c1fb6f87e04ae1e838e51a604d
Manifeste6f19d16d8a1bfb57533fd21ee9054e4d5f5c9fc5bc0b498e628eb9157ce9f98

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
Signature9Y95PScDGwVQHD5O0dUVd7TgqPe/qf7zJoFTVf/0lbjj6KYRiddMZyeALCePMOV1Cv/ShBkNSbaoZBabEAoVDg==
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

2026-09-17T11:12:21.404117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043987
observed 0fff984dad555901031fb9be3012731a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.384729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043987/manifest.json
observed e6f19d16d8a1bfb57533fd21ee9054e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.366752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043987/publication.md
observed 1f12193871cfbc7034084c383c35a6eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.347923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043987/publication.txt
observed 3add54f2fcce89bd5d683c960cf0452f...
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.