OpenTechnical

OT-2026-000079740

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000079740) never changes.

Identity and time

Publication numberOT-2026-000079740 · never reused
Internal UUID01a0ae96-4375-7d2d-a0b9-6469da98e551 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079740
StatusPUBLIC

Content hashes

Canonical text96e1948260882c3831800926bcb03dfc344c98bb3063946b0a4f234d4b65d5e7
Markdown02d590ef9817386a3d15a3c32934c65a7e6547501967995616bd4a32d43916fe
PDF
Publication pageb3d70eb7e13a2ba2153b3a92b94551dc158e880390894fb8711bd975086cccd2
Manifest9fa0133c3246403205c081831883511a2785f14411be859ec4485dee1f16004a

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
SignatureNlQHnXi6H0n5LGSFOQGmo/uYK1DRvlmiU6x2IjeN7KXhmdGJsL3LNzyanpnHfn/VxfJvXG8ly0SvWEVIcr1hDA==
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

2026-09-17T10:03:36.368125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079740
observed b3d70eb7e13a2ba2153b3a92b94551dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.351421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079740/manifest.json
observed 9fa0133c3246403205c081831883511a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.333532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079740/publication.md
observed 02d590ef9817386a3d15a3c32934c65a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:36.316102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079740/publication.txt
observed 96e1948260882c3831800926bcb03dfc...
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.