OpenTechnical

OT-2026-000052734

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000052734) never changes.

Identity and time

Publication numberOT-2026-000052734 · never reused
Internal UUID01a0ae84-a42d-7417-88cc-1bc61189df84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052734
StatusPUBLIC

Content hashes

Canonical text6f674a2293d2e8a5eca0b3f836ca6f6edae7e8619e808c71275fb60a3d1ba664
Markdown917297a0ef9d81703b46c1687cd645a64678f317edd83917b8fbfb0a725f9b87
PDF
Publication pagefccfdfc1e85e56880f975fa755c317cd0aa0fd61e3f834021dc7f086ff00d758
Manifestc225d007848f56f5d1e95fba6587cd133dc6c99cdf3369e73e717e135292a190

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
SignatureU/6Q4cosh7fxWIHsNFQiZl3DPgTrkEza4dqlwfCKBe4/ksmucd3W/NjUIL8JVZJvGIf3lenUIT7bAhlpBJ1DCA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:43.784243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052734
observed fccfdfc1e85e56880f975fa755c317cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:43.764824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052734/manifest.json
observed c225d007848f56f5d1e95fba6587cd13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:43.746413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052734/publication.md
observed 917297a0ef9d81703b46c1687cd645a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:43.726233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052734/publication.txt
observed 6f674a2293d2e8a5eca0b3f836ca6f6e...
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.