OpenTechnical

OT-2026-000014875

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pulsed 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-2026-000014875) never changes.

Identity and time

Publication numberOT-2026-000014875 · never reused
Internal UUID01a0ae6d-d095-7693-a304-6c5b4deab6e4 · 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-2026-000014875
StatusPUBLIC

Content hashes

Canonical text32c23b03aac5fdbb7cf58fe0fd063b8383b628454926ae1c8c5049b6509388da
Markdownb80c2d64e402c0a87651d7313f601f5e37303182db87d867a6b5ce3b3cac7e84
PDF
Publication page39da06d7c1b6323b993d9fbbc7f3deed0231d92db079d1657a841651b05cf2a0
Manifest7322fc669b23406719ac8449d48e3499605fc59684ee064c584faa034d4fb67e

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
SignatureeqLO3F0czU2GuPosno8P8fmOtSugA2X5cLUR45xD2x8jgwnNctWEx6R/g6S+hghpARn1pXdyk0lVBSaXepZeBQ==
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

2026-09-17T12:06:47.893528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014875
observed 39da06d7c1b6323b993d9fbbc7f3deed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:47.875747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014875/manifest.json
observed 7322fc669b23406719ac8449d48e3499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:47.856851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014875/publication.md
observed b80c2d64e402c0a87651d7313f601f5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:47.837435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014875/publication.txt
observed 32c23b03aac5fdbb7cf58fe0fd063b83...
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.