OpenTechnical

OT-2026-000014495

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000014495) never changes.

Identity and time

Publication numberOT-2026-000014495 · never reused
Internal UUID01a0ae6d-b27b-7ceb-9282-6f1d5bf04bca · 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-2026-000014495
StatusPUBLIC

Content hashes

Canonical text02a545a7a0e50096f135ac896797204f27946e6a93ffa7c9752fd69abe91ee59
Markdowncd5d0761e2159bf4f87646c2e7f8c643b99a0730d094f5c80b623b6d6ad752c6
PDF
Publication pageab855a8ef36d1cf8ae43e64891330399fc087a7d5ae851a5b1d3aa7bcf368c7a
Manifest37f8c4646010c4dece95aec15040d5b91e59ed8dc130463e08ee6140434b4c8a

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
SignatureH/gE9imbESnyrHH7br7swot+WtYfzVRvTDz0HRCv80mzoeiIeHnaP/I7wXsJdGlFpS0PwWptYgS9D41/KJdFAw==
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

2026-09-17T12:10:19.287764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014495
observed ab855a8ef36d1cf8ae43e64891330399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.269759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014495/manifest.json
observed 37f8c4646010c4dece95aec15040d5b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.249543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014495/publication.md
observed cd5d0761e2159bf4f87646c2e7f8c643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.229928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014495/publication.txt
observed 02a545a7a0e50096f135ac896797204f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:22.965959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014495
observed ab855a8ef36d1cf8ae43e64891330399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:22.947590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014495/manifest.json
observed 37f8c4646010c4dece95aec15040d5b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:22.929385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014495/publication.md
observed cd5d0761e2159bf4f87646c2e7f8c643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:22.910672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014495/publication.txt
observed 02a545a7a0e50096f135ac896797204f...
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.