OpenTechnical

OT-2026-000015039

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000015039) never changes.

Identity and time

Publication numberOT-2026-000015039 · never reused
Internal UUID01a0ae6d-d096-7662-a251-c0c10187742b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015039
StatusPUBLIC

Content hashes

Canonical text565f20cc63f948f9ad1dbb19bbdbae0eeff9d338f632979a9d1f3aa7a83af29b
Markdownd60a492a0ca59a486cca2a66820c2f21df7a641484efc5488e4ae93d18ce4d77
PDF
Publication paged14272c4063a3b7fb8adb997c3df818b03f1cd341e0ba3b3aaaf2dbe9e604a65
Manifest33bca08319e6a7d7aaaf626264b75f072e588f5cdea6b512ebb1885651b42de1

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
Signature6eO2mtiov80Y+817Pi2ECADOWRqdMqjKnGbsmWTZbdLeJqNxpFa0udG22atrRcWzI0UI8fwAeaYcHD2oLVX0Dw==
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

2026-09-17T12:07:01.237869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015039
observed d14272c4063a3b7fb8adb997c3df818b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.219362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015039/manifest.json
observed 33bca08319e6a7d7aaaf626264b75f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.198472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015039/publication.md
observed d60a492a0ca59a486cca2a66820c2f21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.176100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015039/publication.txt
observed 565f20cc63f948f9ad1dbb19bbdbae0e...
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.