OpenTechnical

OT-2026-000085939

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000085939) never changes.

Identity and time

Publication numberOT-2026-000085939 · never reused
Internal UUID01a0ae99-e82a-75d2-9e63-42c5f56fdde0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085939
StatusPUBLIC

Content hashes

Canonical textca845b22b1f60861ea1e695e5eb5046f24cb49f5f3f681e0beadeafbba0857db
Markdown4613188516fd64eca4e7612462d44362cc358eb37dd34a408e0554865f8790fe
PDF
Publication page2bbd777d80b48b7171bac680a00937108e7a49b514c10ba8cf43863cbf86cb9e
Manifestce636dca2473ac52ab6bffcef4eba006cf560552de87d1487d4603b17e13f64f

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
SignatureZt5jWkLv4nXMK5ifpi9dJ17mtxvmyg8hZT5kliaZyS8kXCOjMS45UFPXjSQ3AE7opQ0clZqVaN6E/cfzQNdpBQ==
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

2026-09-17T09:52:53.735467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085939
observed 2bbd777d80b48b7171bac680a0093710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.716720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085939/manifest.json
observed ce636dca2473ac52ab6bffcef4eba006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.692062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085939/publication.md
observed 4613188516fd64eca4e7612462d44362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.674389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085939/publication.txt
observed ca845b22b1f60861ea1e695e5eb5046f...
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.