OpenTechnical

OT-2026-000088345

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000088345) never changes.

Identity and time

Publication numberOT-2026-000088345 · never reused
Internal UUID01a0ae9b-5d27-7bdf-aa68-10dc38ec6b69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088345
StatusPUBLIC

Content hashes

Canonical texta1407c81fb8f865950fd8c947639aa710b5e8e490a395bbb92902566a223f122
Markdownee92bca030a5423c82c4e738a12b3b82f7eaf467664651fafcb84228b11d5845
PDF
Publication pagee6d789bd56b59c58238627e285bbf7fba1b4060de45e2f35076b7475e1717df4
Manifest6266a6cc8630a7af73297f5d62e58a3bababd7f11a81ac63ee1ec059781e006b

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
Signature2vlVDwuLCyeEEXCtrIZb8BzqHKYjWquQkGlPpm7ee8Ui9oqWhZfcU16EQQ7jvDf6e8ifRORFLQUGqvZjYzloDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:41.032805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088345
observed e6d789bd56b59c58238627e285bbf7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:41.013555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088345/manifest.json
observed 6266a6cc8630a7af73297f5d62e58a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.993291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088345/publication.md
observed ee92bca030a5423c82c4e738a12b3b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:40.975145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088345/publication.txt
observed a1407c81fb8f865950fd8c947639aa71...
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.