OpenTechnical

OT-2026-000038426

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000038426) never changes.

Identity and time

Publication numberOT-2026-000038426 · never reused
Internal UUID01a0ae78-2d53-723f-ac8d-2efe01a6d8cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038426
StatusPUBLIC

Content hashes

Canonical text4852040f06ff6a90eb8930ff79455ec39ae0c6320583768415e0b8117bad20b1
Markdown0e21dfebb66059d0a24d2fd483ea985826aa3927054645eae5e9dd295dff88e9
PDF
Publication page2f1cdf4c2af4c3c2e6d8bf82c809a8f3f1f43a72c421a6b2c21150a03d6b1be3
Manifest7ba5d63fcf5cdd29101a2a9d9ebc1e70d015d30a2e9ea7dd6a6632aea8f279ab

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
Signature0ARKXuYOEG8UgEQIgKrV+lAXPw91iv9iMGkzhob2Mt2343WtVwEE2eq4QGrnQQCErHQmmQaRyeX5fLy6hP10CQ==
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

2026-09-17T11:22:39.071195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038426
observed 2f1cdf4c2af4c3c2e6d8bf82c809a8f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:39.053405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038426/manifest.json
observed 7ba5d63fcf5cdd29101a2a9d9ebc1e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:39.034701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038426/publication.md
observed 0e21dfebb66059d0a24d2fd483ea9858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:39.015141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038426/publication.txt
observed 4852040f06ff6a90eb8930ff79455ec3...
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.