OpenTechnical

OT-2026-000077512

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000077512) never changes.

Identity and time

Publication numberOT-2026-000077512 · never reused
Internal UUID01a0ae94-f50a-7e57-b291-c858441a6408 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077512
StatusPUBLIC

Content hashes

Canonical text83b3392568fa6a46701e99b670711bf07c49990b9a9e05197fab45db1fc02a56
Markdown432ab28ccd05dc59699f55ff40db9b509c9f70c0b76d67f5c36fde9bd4ef5ebc
PDF
Publication page629b76643550c337719c974f57363a7a7f9de4a8bcc148ac8850fad7ee9fbeb6
Manifestb2938483bea7e233e3b677381333a073c807b00dda502e8823d14d9bf265efc0

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
Signature4yOcr7Wwk+bqUNexAeSGZpmqakRMw+ILQFqxWbbmrna9CZfM2YTIIt4mubZY/fD/c000IN+6P/pSpx7juPLFDQ==
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

2026-09-17T10:09:12.267909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077512
observed 629b76643550c337719c974f57363a7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:12.248231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077512/manifest.json
observed b2938483bea7e233e3b677381333a073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:12.227947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077512/publication.md
observed 432ab28ccd05dc59699f55ff40db9b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:12.207515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077512/publication.txt
observed 83b3392568fa6a46701e99b670711bf0...
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.