OpenTechnical

OT-2026-000089050

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum 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-2026-000089050) never changes.

Identity and time

Publication numberOT-2026-000089050 · never reused
Internal UUID01a0ae9b-daff-7a0b-ae5c-8d22e3ae8893 · 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-2026-000089050
StatusPUBLIC

Content hashes

Canonical textf7082e5f81ffdd4554657eff39b87434137d2619c80fae0c1abf86f5af1ba2d0
Markdownb8185d89fa87bf0b802db9a0b151d999ab6de70d4068d7d1c7a974f3a2bd2b32
PDF
Publication page3834f2f9bdac5725bf82af0019d48b4d28f568d8908227a3a3d916d3ba090855
Manifest9567e8a508a557d83a30b0a2a041504b3f4e97e744ed2b49acff9ab145386f8c

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
SignatureGQq88pWFAXQ9Zz657RGSzKcuQnzptiYX31iDlQqC6oQVf+RPdQ8YsnfNFjJdIFH7SqQSex+yr/wOK3bJ6DHyAA==
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

2026-09-17T09:46:56.950467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089050
observed 3834f2f9bdac5725bf82af0019d48b4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.931555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089050/manifest.json
observed 9567e8a508a557d83a30b0a2a041504b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.913997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089050/publication.md
observed b8185d89fa87bf0b802db9a0b151d999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.896754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089050/publication.txt
observed f7082e5f81ffdd4554657eff39b87434...
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.