OpenTechnical

OT-2026-000072396

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000072396) never changes.

Identity and time

Publication numberOT-2026-000072396 · never reused
Internal UUID01a0ae92-89d7-7b1d-b74a-26e53d1f84b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072396
StatusPUBLIC

Content hashes

Canonical text237de1b3c2e1dc814af79cd61413cd561b63b57b6b303c9f4f51ef573f3de663
Markdowne5cac5e4490c255d49efc933dd2756664012a81d98bc30557808e395d5bfd688
PDF
Publication page6694ec5bd99efb3cf93b1b4a567042bee55fc92b9e75bd9f70651d3b35fc94b4
Manifest90d42bc1c090df886dd7b640e3727b6a016ba6e56131b2cf456070dcd79a1297

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
Signature8zkHSnC9STLOdd0TUoyJWmBa/+1SOfHzAxz7EqLJFiZVALq0AUyUVSWx7jTeOHmDBOzFZSNQvVTVBh+2ehQBAQ==
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

2026-09-17T10:22:12.352417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072396
observed 6694ec5bd99efb3cf93b1b4a567042be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.332684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072396/manifest.json
observed 90d42bc1c090df886dd7b640e3727b6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.316154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072396/publication.md
observed e5cac5e4490c255d49efc933dd275666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.299105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072396/publication.txt
observed 237de1b3c2e1dc814af79cd61413cd56...
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.