OpenTechnical

OT-2026-000073354

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000073354) never changes.

Identity and time

Publication numberOT-2026-000073354 · never reused
Internal UUID01a0ae92-efb8-7730-962d-2d9e1e88bebe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073354
StatusPUBLIC

Content hashes

Canonical textcb002658d4e1464f034e157f2246233b65489a40e80d35c0867dc5e7c1e1ba02
Markdown251bfe6166a19181250319d5f1584974c1c0b770d5bd7434e923fead06297fbe
PDF
Publication page5269d70cb2013a16d4fa2c88af5410594a478b8e215be0235b276b9e456bf046
Manifest41973403aadc1df5e8834d639b663848d5af891d8b857fea3c7074793fa06172

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
SignatureUvePjPSPQfXWbcPRgXSmyBz1Nm65xjUkR9zSVq4efFJhInliYAvzXIoJCTDI180wzuyCDA96G/UStFZ1GCZ1BQ==
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

2026-09-17T10:21:22.924465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073354
observed 5269d70cb2013a16d4fa2c88af541059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.904718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073354/manifest.json
observed 41973403aadc1df5e8834d639b663848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.884718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073354/publication.md
observed 251bfe6166a19181250319d5f1584974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.864510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073354/publication.txt
observed cb002658d4e1464f034e157f2246233b...
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.