OpenTechnical

OT-2026-000088129

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump 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-2026-000088129) never changes.

Identity and time

Publication numberOT-2026-000088129 · never reused
Internal UUID01a0ae9b-1aa8-7339-ac27-3b8783b6fb0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088129
StatusPUBLIC

Content hashes

Canonical text47c51f7949d67c6258dc3f23d1faf1d700fc5ca6f45bef40b1d53d67e9daf8cc
Markdown8a07ff7a951a08fc4157dc5fd5915f482dc6c9fc40615a83b736a3a4e61cce2e
PDF
Publication paged00159848b8be4f3d79b4f3e5b1d4077bf8e1f00c0d3d2a604920aa1cbbaa151
Manifest3d754ae43880f63faf0675400a4515f60104f3a2b68878ee27367c96dcb5a39c

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
SignatureXLFlRRVKXgl2AIV/t4y5EsBd1rx5ASoCrzCzTGAdoRrcnr3ejZioDjKI8AdUwXbMKTqOjoO9MW38w8vPfO5HAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:09.584129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088129
observed d00159848b8be4f3d79b4f3e5b1d4077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.567261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088129/manifest.json
observed 3d754ae43880f63faf0675400a4515f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.550372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088129/publication.md
observed 8a07ff7a951a08fc4157dc5fd5915f48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.529966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088129/publication.txt
observed 47c51f7949d67c6258dc3f23d1faf1d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:07.414944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088129
observed d00159848b8be4f3d79b4f3e5b1d4077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:07.390805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088129/manifest.json
observed 3d754ae43880f63faf0675400a4515f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:07.368169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088129/publication.md
observed 8a07ff7a951a08fc4157dc5fd5915f48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:07.347090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088129/publication.txt
observed 47c51f7949d67c6258dc3f23d1faf1d7...
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.