OpenTechnical

OT-2026-000027134

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000027134) never changes.

Identity and time

Publication numberOT-2026-000027134 · never reused
Internal UUID01a0ae72-3454-7fb6-8475-79e9ce18df49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027134
StatusPUBLIC

Content hashes

Canonical textfd3153694c58214ae25b6d9c411ca52de375597d8b6df9d10650cf25836586fa
Markdown5f6ba2c7a062e0361d768785fa2bfc0c0f4d72765e65ec0d46bde4064cfbc436
PDF
Publication pagebe39391d4f6d112e011c6502f90fc001f57d10e33c463f78b88327d724ca17a0
Manifeste20855f0b1e7ae3e2525257be47da34d37a9e893e717c6fc68e8d705bf6a7f2b

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
SignatureWqDBL2bI/CZWpShHuJv44rihV7lVKHC1EuhwcrenucEk1huKABkT3UD1glrn9bZHWMNSB1ZrD1wB6maA4z8HDQ==
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

2026-09-17T11:43:54.608483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027134
observed be39391d4f6d112e011c6502f90fc001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.591294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027134/manifest.json
observed e20855f0b1e7ae3e2525257be47da34d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.574111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027134/publication.md
observed 5f6ba2c7a062e0361d768785fa2bfc0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.557740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027134/publication.txt
observed fd3153694c58214ae25b6d9c411ca52d...
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.