OpenTechnical

OT-2026-000011053

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, vented after set-down

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-2026-000011053) never changes.

Identity and time

Publication numberOT-2026-000011053 · never reused
Internal UUID01a0ae6c-540e-77b5-a4df-c5c8af3c4e2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011053
StatusPUBLIC

Content hashes

Canonical textac4f4105f611000c1bffbb50018e86c503f355e85193fd74e065700bdb9d5b53
Markdownab42ceccd8a802f206e57335632c6be633c8f6e38d7b8ace889b56440d6bf7e3
PDF
Publication page416ffe9588fc69111635091329fb0873df419733e0723c4faabc41f11c7d444f
Manifest66e337e9b293511065814eab636cc186b57652769387be5f43f0250eed386fce

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
SignatureC9yYuYBxhrEXAUqpcO3JZlAYfJsNVqxMRtZrG+vzB6gOW0ZeAyw+MWuvUAruqO6LmeKht0bj1b3z1+aMuNhkDQ==
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

2026-09-17T12:13:31.313210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011053
observed 416ffe9588fc69111635091329fb0873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:31.292445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011053/manifest.json
observed 66e337e9b293511065814eab636cc186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:31.272893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011053/publication.md
observed ab42ceccd8a802f206e57335632c6be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:31.253537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011053/publication.txt
observed ac4f4105f611000c1bffbb50018e86c5...
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.