OpenTechnical

OT-2026-000089184

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000089184) never changes.

Identity and time

Publication numberOT-2026-000089184 · never reused
Internal UUID01a0ae9b-db00-7f11-b151-594c7cb058bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089184
StatusPUBLIC

Content hashes

Canonical textfc69a741deb2008f99776f02fe99545cda7deb6f51268d56b12fb537cb513a4a
Markdowne9e717a48da19f1f5abf8c3ffd14420ffe1acbd99b316424e39c3fdb674052c0
PDF
Publication page9212bf000d48074f261af56ae9174f91aeb59fb96a531979c31fc453572a505e
Manifestbfd9bc6fd1f1a173c2b9fa2a65e6a794c6331eab0f966b3aa18e08a3f5ee95bd

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
SignaturesOFXHkmL10+XSRJQUpshij++epQH/+zxrtyqF1r5vw/8QH+FjuazLiM8ys8Ek/8oHTeH7E0/V9u9/iAhCGJ4Dg==
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

2026-09-17T09:47:11.902202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089184
observed 9212bf000d48074f261af56ae9174f91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.884700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089184/manifest.json
observed bfd9bc6fd1f1a173c2b9fa2a65e6a794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.867875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089184/publication.md
observed e9e717a48da19f1f5abf8c3ffd14420f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.849751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089184/publication.txt
observed fc69a741deb2008f99776f02fe99545c...
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.