OpenTechnical

OT-2026-000043856

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000043856) never changes.

Identity and time

Publication numberOT-2026-000043856 · never reused
Internal UUID01a0ae7b-d677-7cd4-b43a-0dbacdbff883 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043856
StatusPUBLIC

Content hashes

Canonical text60af84ead48fc4850c3953afd9641388579d219801c40469094cfd764bf6ced8
Markdown7f6bec75fff6bb321b857a0d786491a19cc8461fc3a641d2412bba1aabd86450
PDF
Publication pageca1daf3321e02fe956a74bacbeb2115523d32f6c34935d271b355a1d5668c6a0
Manifestb21c7af0f522aae342974aaec84cc4ab6f0b6c41ec38957065bd63513d6be445

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
Signatured5APSgVg3HGAu1S13V/ISYRaILaK/m3uN4K9bec6DrHfkJhJYYvkDlKjfELFElGAFaDPlqS0fCx7EozOKXtlAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:10.527295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043856
observed ca1daf3321e02fe956a74bacbeb21155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.508629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043856/manifest.json
observed b21c7af0f522aae342974aaec84cc4ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.489939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043856/publication.md
observed 7f6bec75fff6bb321b857a0d786491a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.472194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043856/publication.txt
observed 60af84ead48fc4850c3953afd9641388...
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.