OpenTechnical

OT-2026-000014627

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000014627) never changes.

Identity and time

Publication numberOT-2026-000014627 · never reused
Internal UUID01a0ae6d-d092-7128-8547-ac5a9e8c430f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014627
StatusPUBLIC

Content hashes

Canonical textd4fd9465677a5f55602513183f9eb031d2103ea19022ae6b8f296f6206929757
Markdown1a4da593baa9e3e813471db1d6adc8dd7f66a5a6b8e007c112c191545c20298e
PDF
Publication page17bbad801ca14eb661c6e1d85145d4d71e0e39eb581316c19d68892c04980208
Manifest8cd797327dabcaa9aa31a1b05fb420467b44ffbedc2d8ba9567fb093104987de

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
SignatureOTGQn8/YKwaPeHM6QVh2x5kOVvfN2rV+urZbRC8tcTR4T4jJ41UR2tYzKhIriELTwfUBJzoA8M/Ozq1+/FxUDQ==
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

2026-09-17T12:06:26.515427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014627
observed 17bbad801ca14eb661c6e1d85145d4d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:26.494420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014627/manifest.json
observed 8cd797327dabcaa9aa31a1b05fb42046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:26.474734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014627/publication.md
observed 1a4da593baa9e3e813471db1d6adc8dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:26.455110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014627/publication.txt
observed d4fd9465677a5f55602513183f9eb031...
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.