OpenTechnical

OT-2026-000074674

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented before 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-2026-000074674) never changes.

Identity and time

Publication numberOT-2026-000074674 · never reused
Internal UUID01a0ae93-ac2b-73d8-90bb-71f3116dfd8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074674
StatusPUBLIC

Content hashes

Canonical text7666d1c13f7727765354acf29acf55c53c4bfc2aef2e68162e23257098644ebe
Markdownc245282fda149dcc5b0116c879665771dbbbcbe87495191001bcbb091d6acfee
PDF
Publication pagecffda656abf09f84a059213fc5e57edf731deaaf2770f2cc8116ee9293414599
Manifestdedeb8afaf59e96193976eb6808946dd693cf64eadbe56a7255b0ae704d25790

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
SignatureCkTQq/v6yk4lB7n8ISDxRvV8a1zDJb1OH/oBESNq2rvSba2P89yeNm2bI2/V+0eD6uQlNN7yQTD0kq+2uF57DA==
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

2026-09-17T10:18:15.402521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074674
observed cffda656abf09f84a059213fc5e57edf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:15.383628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074674/manifest.json
observed dedeb8afaf59e96193976eb6808946dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:15.364606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074674/publication.md
observed c245282fda149dcc5b0116c879665771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:15.343762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074674/publication.txt
observed 7666d1c13f7727765354acf29acf55c5...
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.