OpenTechnical

OT-2026-000007854

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000007854) never changes.

Identity and time

Publication numberOT-2026-000007854 · never reused
Internal UUID01a0ae6a-908a-7c60-9e45-57efbb57c90d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007854
StatusPUBLIC

Content hashes

Canonical text7dd0a88d0ba495243b41d1e7efdc1141f6e7ee98a6215df214b557a5905614db
Markdownbd04cce8c59e64956441afd93e593b99f27a8775dbbfd65dc69ff4d95c3cca70
PDF
Publication page7e42d532daa54dc0423e4becc01e78e4fbbd7065e13573218f9a2105dcdd2552
Manifeste761027f9de91f2137fba3e492300a5f4292d791cd0b4c212cb77746009a6d25

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
SignaturelQUNBdTPGCsC9u91S8GVdtcQBVAnO1jZUmPuVCBc02wDcY3LVpwuZ4lNhLRd55uS7sgFEdCOYC88jDEk2IqsAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:18.378478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007854
observed 7e42d532daa54dc0423e4becc01e78e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.360337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007854/manifest.json
observed e761027f9de91f2137fba3e492300a5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.342376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007854/publication.md
observed bd04cce8c59e64956441afd93e593b99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:18.323592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007854/publication.txt
observed 7dd0a88d0ba495243b41d1e7efdc1141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.316269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007854
observed 7e42d532daa54dc0423e4becc01e78e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.299204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007854/manifest.json
observed e761027f9de91f2137fba3e492300a5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.277863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007854/publication.md
observed bd04cce8c59e64956441afd93e593b99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:51.260353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007854/publication.txt
observed 7dd0a88d0ba495243b41d1e7efdc1141...
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.