OpenTechnical

OT-2026-000073293

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000073293) never changes.

Identity and time

Publication numberOT-2026-000073293 · never reused
Internal UUID01a0ae92-efb7-7ffd-a734-050bbad99087 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073293
StatusPUBLIC

Content hashes

Canonical text3b22268a9a70fd36c5205913b69f9eaf8016dfe0eb5ee925ca6207908651761f
Markdown3f898d2cea03ab73f012d233d609413d7e6a0d2ffb483e5d33ddd765a0bdb833
PDF
Publication page51d4e5b70615be27364b59df2e34639f031f7f83641fa2d923ee0436ebfca91b
Manifestf219e0fa9ac023e46137b7c35e1520f30623ee348f6f67e9f4d30122e1b990dd

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
SignatureQAfr5un47gJEx3wNiucA+KI9Dh3lJBvZc4XAWgnbQfMLg5xITr5hu73iXkk3Bjxz5WP3kIUPPkqseyk/mxPFDA==
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

2026-09-17T10:21:18.117208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073293
observed 51d4e5b70615be27364b59df2e34639f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.099015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073293/manifest.json
observed f219e0fa9ac023e46137b7c35e1520f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.078987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073293/publication.md
observed 3f898d2cea03ab73f012d233d609413d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.059972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073293/publication.txt
observed 3b22268a9a70fd36c5205913b69f9eaf...
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.