OpenTechnical

OT-2026-000074044

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000074044) never changes.

Identity and time

Publication numberOT-2026-000074044 · never reused
Internal UUID01a0ae93-2b8f-7cd7-b4b7-85fba6cfd79d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074044
StatusPUBLIC

Content hashes

Canonical text3d2602697c044fd214837646735f2c4e72b69efbbde024bdfb64e5ea2a4fe48e
Markdown020900be04fc95d8b5b488d4247266d38f39058b01121cb6de7559d4bdc89b4a
PDF
Publication pageba3964131651dac29fcd4f15b6d24fac3cac21b5f0301101fc21482cef5516ab
Manifesta7ca63b45ec9a04892f2ca97c39f10edcfdea2f0d939c9a7361524978bdbd02d

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
Signaturenww6zQLT15Pe+Ml4pRYeK5YMBME5NSHfFy0deQPk70o7Arf6h/MzAO3kEOEKL/H7yzdIrp70VfXO4S3HXrPMAg==
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

2026-09-17T10:20:22.006359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074044
observed ba3964131651dac29fcd4f15b6d24fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:21.986774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074044/manifest.json
observed a7ca63b45ec9a04892f2ca97c39f10ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:21.966925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074044/publication.md
observed 020900be04fc95d8b5b488d4247266d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:21.945144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074044/publication.txt
observed 3d2602697c044fd214837646735f2c4e...
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.