OpenTechnical

OT-2026-000058607

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000058607) never changes.

Identity and time

Publication numberOT-2026-000058607 · never reused
Internal UUID01a0ae88-f39c-7ba3-b221-f9770d487d7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058607
StatusPUBLIC

Content hashes

Canonical text86dc18338ac89c7f106339160bfab413717ce53b08a90a9ba7af180ce9a21667
Markdowneaae8809cc27d3a0c1c65ea20c795a053b3d3857fa232d972e9d2cd1705d187b
PDF
Publication page2f693da4c30d400958adcca2dd3e711655a1e2aee44d3d6f8fcff61064d69905
Manifestf1562495c5795e5f1d0d9d7730ea59b6aa6345ac98f836e909dfbf34b4fd85cc

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
SignatureBdYskmSD7PuqsEyUl8V6t8ocp9PqMEAto3oyRMuU/tIio7YPzVLR9MBlo5TCe0LLl8XSM+slqoRx+VKaKNT9Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:06.435618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058607
observed 2f693da4c30d400958adcca2dd3e7116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:06.416441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058607/manifest.json
observed f1562495c5795e5f1d0d9d7730ea59b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:06.399199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058607/publication.md
observed eaae8809cc27d3a0c1c65ea20c795a05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:06.382056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058607/publication.txt
observed 86dc18338ac89c7f106339160bfab413...
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.