OpenTechnical

OT-2026-000020861

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold 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-2026-000020861) never changes.

Identity and time

Publication numberOT-2026-000020861 · never reused
Internal UUID01a0ae6f-65e3-7bd8-806b-53343c4d1e5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020861
StatusPUBLIC

Content hashes

Canonical text5afce673a49dba1b4e1b21c21ebdf2d341848e6cf5dcf60b3708e21d2d7fbcd7
Markdown70dc9facd6a862724753f7c38df0ababbaef1e2fbf5e2ce880703a160aaf12fd
PDF
Publication page2365ec2286318faf4879fddb4346db801a5595c75684c274c860f406e292f6d6
Manifestf65ecdd2e1fd1756fecac8cecfa0b134c1f4759c18b402efe6c65875ce7e0cf0

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
SignatureR3EZPgsPL2L4kt+PSdIS8a/akwd/0gmyuPMEcW/xF/ofjN3yp0uxC6QihGL1AjvW7YTDEnHtGrtVwdkRB/ApAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:55:57.811964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020861
observed 2365ec2286318faf4879fddb4346db80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:57.793787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020861/manifest.json
observed f65ecdd2e1fd1756fecac8cecfa0b134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:57.773575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020861/publication.md
observed 70dc9facd6a862724753f7c38df0abab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:57.754711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020861/publication.txt
observed 5afce673a49dba1b4e1b21c21ebdf2d3...
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.