OpenTechnical

OT-2026-000041886

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000041886) never changes.

Identity and time

Publication numberOT-2026-000041886 · never reused
Internal UUID01a0ae79-e8a6-7aa8-85ef-1e8f3abb4d38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041886
StatusPUBLIC

Content hashes

Canonical text349ed94ff8e5179cc6e9f8036e05f2f37bcd1e284557062a220aea0b5b8dfce4
Markdown453218e404c1e4d4aaf7f2aba23b12015c7bb50a1a9d82e4e751658b27e890e7
PDF
Publication page43a622c2cd0dda8d373429cd2b3c3653b88a60040c752f080921ba32ce4c560c
Manifest63dac76c78c5ff80c1011b8586d5577a3fe60aef105885991075a062a9e7955d

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
SignaturepAi59S8Hx8hHSEKCuZekMxVpbFE3Bz2/y0tR6LBkaT44TTPjb94XjBkZ+o/SFCNlCqXYgTmt+IbN7R7pVySxAA==
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

2026-09-17T11:16:45.753847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041886
observed 43a622c2cd0dda8d373429cd2b3c3653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:45.735463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041886/manifest.json
observed 63dac76c78c5ff80c1011b8586d5577a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:45.717891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041886/publication.md
observed 453218e404c1e4d4aaf7f2aba23b1201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:45.698862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041886/publication.txt
observed 349ed94ff8e5179cc6e9f8036e05f2f3...
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.