OpenTechnical

OT-2026-000043262

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, sustained blow-off 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-2026-000043262) never changes.

Identity and time

Publication numberOT-2026-000043262 · never reused
Internal UUID01a0ae7b-327d-7802-8896-70f0d3b2b6ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043262
StatusPUBLIC

Content hashes

Canonical text54ec2a1f7131ecabb67fb33ba86841d14b9d3944f15577f208b69456ff05c1c2
Markdownd08aab42c6d700c0a3c31d9550b7ebf7a041425aaf5db29c1bf9bd5477f75839
PDF
Publication pagedf652113728b79c03310c63b4a0dd71d2b1083be62f38891a86c4e95c9daf87c
Manifest5aea12a2a4222e9b516e7eed48d8aeff26fd6c0c11159d2f947a3a5f6b4e0bee

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
SignaturelJA6m1jPGneYxuZ5hKNBSj7IMUQZXWvZ8AVXfq0Cryb7SDXlBMLlY+3YTySrvKzywAGlrm3i/LOXzCBR7D5JAA==
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

2026-09-17T11:13:44.746433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043262
observed df652113728b79c03310c63b4a0dd71d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:44.725585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043262/manifest.json
observed 5aea12a2a4222e9b516e7eed48d8aeff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:44.705943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043262/publication.md
observed d08aab42c6d700c0a3c31d9550b7ebf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:44.684228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043262/publication.txt
observed 54ec2a1f7131ecabb67fb33ba86841d1...
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.