OpenTechnical

OT-2026-000038894

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line 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-2026-000038894) never changes.

Identity and time

Publication numberOT-2026-000038894 · never reused
Internal UUID01a0ae78-769f-7c61-8a7e-4c21caba6971 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038894
StatusPUBLIC

Content hashes

Canonical text89bb37589b350efcf88711a0de153863069215df7e82117b36dbb046ece752e4
Markdownfd536b673ec57f2fcac1533b1d77f1ab40c4dfd4a1e76ffa44c0d5717fb1f3a8
PDF
Publication page2aeb89bc703ff9dfe24a2515be877f37d735fcae49caccbf290856453e7aceb3
Manifest1bb004b2e55bd42dd53277465d840676804a4f448a36a5a5ccafe7890e915212

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
SignatureOpf08ka2OZfDrz6KKChTqj2wBJfQY+pxfDiIv9k6oAlRdFAq+goabJ7gPYru/eV5Fc9dfXdQiNubDTq2kApgBw==
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

2026-09-17T11:21:33.715083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038894
observed 2aeb89bc703ff9dfe24a2515be877f37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:33.696761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038894/manifest.json
observed 1bb004b2e55bd42dd53277465d840676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:33.678643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038894/publication.md
observed fd536b673ec57f2fcac1533b1d77f1ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:33.659652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038894/publication.txt
observed 89bb37589b350efcf88711a0de153863...
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.