OpenTechnical

OT-2026-000084603

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000084603) never changes.

Identity and time

Publication numberOT-2026-000084603 · never reused
Internal UUID01a0ae98-e25b-7dfb-8bb5-19db272586eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084603
StatusPUBLIC

Content hashes

Canonical texted2f00b129136757d74238b3f26c91a9e3496d1e6d78801356e4ae3281494bfb
Markdowndaf021de2ba788717a5282073848fb6ddf0d0453cfed60de50b23d5ad1e0a1af
PDF
Publication page8d94ac17c96c6c99669878940d7108e8b302e825a480bebdf71cd88c6edc85bb
Manifest47d7cc87f0c7cce49ae4e10b453c3e532c2f62c4adb3abfe599a3497f6539498

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
SignatureDLyLulxyFCeI/mJ2D+cFMGUtNZslFxhSjw1VblAGXcUEs4gzb3WeEJSY+zinYuWIdRcaEc3nt1SQBuXab8h7DA==
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

2026-09-17T09:55:30.633241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084603
observed 8d94ac17c96c6c99669878940d7108e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.614497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084603/manifest.json
observed 47d7cc87f0c7cce49ae4e10b453c3e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.595615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084603/publication.md
observed daf021de2ba788717a5282073848fb6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.577039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084603/publication.txt
observed ed2f00b129136757d74238b3f26c91a9...
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.