OpenTechnical

OT-2026-000025090

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single 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-2026-000025090) never changes.

Identity and time

Publication numberOT-2026-000025090 · never reused
Internal UUID01a0ae71-2729-7fa3-b493-b61b5652ce66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025090
StatusPUBLIC

Content hashes

Canonical textc79e86a4d0db7f3479dc23558d3014cac2fe5eb24b1e980feeff992a35edabad
Markdown9f2973b4cdd6d8ed773ca5672c89510fcbf7870013cd71644d4d643f4509ff5f
PDF
Publication page9db803920ebc1605aadf3ae352e849fee1fe354f9fa90d53c5a757e731437b66
Manifestb9386d260597567cf3663319f1585a83c794f4de3f9ee6c36524faca38245221

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
SignatureyBgSUgAjlHWJn/QIUlQJ2E2SYe9LqJ7NfjHFXd7HvjTAFDemZcNNydQX+4U/KhVFz696OXprw9g+VbkOAjbABQ==
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

2026-09-17T11:48:30.536889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025090
observed 9db803920ebc1605aadf3ae352e849fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.517923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025090/manifest.json
observed b9386d260597567cf3663319f1585a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.498416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025090/publication.md
observed 9f2973b4cdd6d8ed773ca5672c89510f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.480338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025090/publication.txt
observed c79e86a4d0db7f3479dc23558d3014ca...
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.