OpenTechnical

OT-2026-000027490

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000027490) never changes.

Identity and time

Publication numberOT-2026-000027490 · never reused
Internal UUID01a0ae72-6998-77c2-b6a0-392c9384618a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027490
StatusPUBLIC

Content hashes

Canonical textc9fe74b794b73de51c26f25135291053ec08cdc1d0abe420df2d553bcdf5febd
Markdown3cf0ff2fbc06e3f4d7e425765f7766514ef9a4aa8eb2b194ea320fe43ed23c4f
PDF
Publication pagebf3417794a8beff768816006840d40430e885ea2c1e428c51a506facec739811
Manifestf23cca7787294f8383a7c940442dad35b8cf37311cd9db8afbd37c49646fa158

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
Signature5sXGtfTLhR2AvGY/bNl/Z4rmfdQDzMDsLPvGLB86jQR6YjbABoYJk+P3GvOnLcSCKbVWJHpcKnjNooYkhUWNBw==
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

2026-09-17T11:42:57.422196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027490
observed bf3417794a8beff768816006840d4043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:57.404262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027490/manifest.json
observed f23cca7787294f8383a7c940442dad35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:57.386978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027490/publication.md
observed 3cf0ff2fbc06e3f4d7e425765f776651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:57.361339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027490/publication.txt
observed c9fe74b794b73de51c26f25135291053...
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.