OpenTechnical

OT-2026-000023680

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000023680) never changes.

Identity and time

Publication numberOT-2026-000023680 · never reused
Internal UUID01a0ae70-aed4-7f7e-9d08-0f711f8665a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023680
StatusPUBLIC

Content hashes

Canonical text710d56dca83c0835b77b2a14ba50d90e1d75582cba17031af1907f929ddc09de
Markdown80d110d1416ee65015b8ca280d7f3b6717ec29a7967391edd66aaff3d5f7569b
PDF
Publication page436d5f4d079198e33a8eb6f4844f5257a34ad07acbf3a2c0b8ca03451c3661eb
Manifest6205811daad3191e1eb5dd18f7fc9be99284a8c6be8070785861529bf58c02b5

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
SignatureQKSbkrlv07ROEMLGd3cutKDIt3QPQ44e06xUheqBhUNCO9/CEKEZbJ6Qg4WKNgfiuZTcQRNVdhPXV+2eKNZMBA==
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

2026-09-17T11:50:00.219690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023680
observed 436d5f4d079198e33a8eb6f4844f5257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.201052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023680/manifest.json
observed 6205811daad3191e1eb5dd18f7fc9be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.182038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023680/publication.md
observed 80d110d1416ee65015b8ca280d7f3b67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.162825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023680/publication.txt
observed 710d56dca83c0835b77b2a14ba50d90e...
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.