OpenTechnical

OT-2026-000048650

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000048650) never changes.

Identity and time

Publication numberOT-2026-000048650 · never reused
Internal UUID01a0ae80-c32a-7bde-9a1d-41a776e470a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048650
StatusPUBLIC

Content hashes

Canonical text0ae49298f13aca08d5fa648e758e6bb10284e4c1ce906e164412db79ec57b030
Markdown02cd0cb1bfc5e68272c782b8c4bd00a01053410e9d7b28e92ed6b39c5de701fe
PDF
Publication page60d89e7c8b20f463ac4c8855e2fbdecfd24860c1ab7ada42b9bd5ef60be53253
Manifest3ceefbfc06ee3b4491836f0c9a0e98950e4e92b08c8fead66974be5f0c7a3eca

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
Signatureezpsapen2uRBtRuXIVtNpHPohMmgE0kBzen5oXx6/NecAQZBHFnbFqLhH2pfn39sqSAoyr3GFRng83neGphSCA==
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

2026-09-17T11:04:15.804649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048650
observed 60d89e7c8b20f463ac4c8855e2fbdecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:15.785032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048650/manifest.json
observed 3ceefbfc06ee3b4491836f0c9a0e9895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:15.764112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048650/publication.md
observed 02cd0cb1bfc5e68272c782b8c4bd00a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:15.744828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048650/publication.txt
observed 0ae49298f13aca08d5fa648e758e6bb1...
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.