OpenTechnical

OT-2026-000043183

Publication integrity record

Foam pad vacuum gripper, three zone face, four 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-2026-000043183) never changes.

Identity and time

Publication numberOT-2026-000043183 · never reused
Internal UUID01a0ae7b-327c-72ad-86f2-5fec0693e3a2 · 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-2026-000043183
StatusPUBLIC

Content hashes

Canonical text77a839c66bcb034d28044b0bd78abda2e8e466404751a26c4aa27f746b4f7bba
Markdown5e13077c9a6018ccbedc29223ae75ceb52093836f0250ab524f4503f4665e3b0
PDF
Publication page3d238187676f9144b3e42e7a07bdde5fe594f9cd690baa3328ba4ff44bf3bb10
Manifestb050ed57685621705d7e2c8f16bb38e3e92109d28587bb4d95da94edc0849222

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
SignatureFyA74B7B9PJrpRx69yrvHKgATdU4pMBFbMCkKYBVb8w9TCt5ZcpE1jWYlrYDhlqI85E6G72uobvehnZFuv37DA==
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

2026-09-17T11:13:38.101532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043183
observed 3d238187676f9144b3e42e7a07bdde5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.082177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043183/manifest.json
observed b050ed57685621705d7e2c8f16bb38e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.062533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043183/publication.md
observed 5e13077c9a6018ccbedc29223ae75ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:38.041681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043183/publication.txt
observed 77a839c66bcb034d28044b0bd78abda2...
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.