OpenTechnical

OT-2026-000075311

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000075311) never changes.

Identity and time

Publication numberOT-2026-000075311 · never reused
Internal UUID01a0ae93-f200-7552-9aa7-ee98fb5f1d26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075311
StatusPUBLIC

Content hashes

Canonical text5a231e2a0c9eae501506007e9b961951ad8bec0e25580acce2cac1c7c26db127
Markdown2fa89f85fae2513fe38c71fc94444f9b5a417aeb02efef9b0f92f9297f008b80
PDF
Publication page86ca406ec69078faa71fd4dc90dc7e25812ddbefa17f48662226b1ba6363b49f
Manifest4b0b2147fa5797d850e52543ed75f11c0e324fad6ccf39925d8face428b0c27a

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
Signatureams20gv+NYoRLWr0DUYm+fdK8qU5whfHmkCIKL7bdL/+kpePVlYLoMnP8uNimQyiVdfkPG3xuRfTyYZHQV//Bg==
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

2026-09-17T10:17:07.778210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075311
observed 86ca406ec69078faa71fd4dc90dc7e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:07.759094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075311/manifest.json
observed 4b0b2147fa5797d850e52543ed75f11c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:07.740041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075311/publication.md
observed 2fa89f85fae2513fe38c71fc94444f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:07.720090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075311/publication.txt
observed 5a231e2a0c9eae501506007e9b961951...
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.