OpenTechnical

OT-2026-000014146

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000014146) never changes.

Identity and time

Publication numberOT-2026-000014146 · never reused
Internal UUID01a0ae6d-b278-7108-8b65-be688c368a1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014146
StatusPUBLIC

Content hashes

Canonical textdba7da7abdc0ba8ba5a46af9c789fdbae614d204ac21bccf3c867e9bd38b02a8
Markdown257a8cfbbafac744459881fe0026f58f8c42cdc9f51c315a826715d62ed2d360
PDF
Publication page61d0c6eefcdfb92a41bdfd1ea6a6f9765cc0af3367eb4a1143fc6f36f16d60de
Manifestedff746613f1f7bbf2f2eeb1277df948c4d89cca97af4efee1dd18741a65e532

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
SignatureStH3W9jQU3iX+5ffsWBoN9Ge/JBAHYkqpTIHnS/uW4iM3Z0aqTm6y39nBQLnSR0fKVZchoIoveVu+6ItKiBeCw==
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

2026-09-17T12:07:13.541604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014146
observed 61d0c6eefcdfb92a41bdfd1ea6a6f976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.523621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014146/manifest.json
observed edff746613f1f7bbf2f2eeb1277df948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.503469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014146/publication.md
observed 257a8cfbbafac744459881fe0026f58f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.484191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014146/publication.txt
observed dba7da7abdc0ba8ba5a46af9c789fdba...
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.