OpenTechnical

OT-2026-000006699

Publication integrity record

Vacuum cup gripper, common isolation valve, three stage ejector, pulsed blow off after set down

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-2026-000006699) never changes.

Identity and time

Publication numberOT-2026-000006699 · never reused
Internal UUID01a0a964-5cb2-70dc-b7bf-ab3eb815f640 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:45:21.973678Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006699
StatusPUBLIC

Content hashes

Canonical text0c646249bc7e15dee69d56f800f005be15cb35175ddd86f1171dd0d23bf00bc5
Markdowncf1e5019b4b260d33d643a6adb0fb55928d05f20184dc37568985bd2b5347ef3
PDF
Publication pageb7b302f1b258b4f258f9f7cc00a1e9a989ab973bd58f56c266d1a47afdf36823
Manifestd122935635610e09cabb8aa04e996e7ce33593aa73f7ec41d2c1bd4f9a92a325

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
SignatureEEufDUMahVAJaUru452GQ2slfyt1+Tb2Ba66dQoU/sgeHaRh2gPeoXzYXnn/twtofIEUPg5L/JhCleZElD1wCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:15.933323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006699
observed b7b302f1b258b4f258f9f7cc00a1e9a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:15.920779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006699/manifest.json
observed d122935635610e09cabb8aa04e996e7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:15.909328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006699/publication.md
observed cf1e5019b4b260d33d643a6adb0fb559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:15.894488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006699/publication.txt
observed 0c646249bc7e15dee69d56f800f005be...
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.