OpenTechnical

OT-2026-000029267

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000029267) never changes.

Identity and time

Publication numberOT-2026-000029267 · never reused
Internal UUID01a0ae73-2aa1-73ca-908d-e06b05dcabd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029267
StatusPUBLIC

Content hashes

Canonical textca2002feadf55f273e55d560a1f1b861e17235219b29b294c0270762ee0334af
Markdownb5d00b331d1ee846913a26c67030b787f4bd4ad0fac7ac6f7169bec8c5f58c9f
PDF
Publication pagee019613848ff650ef37ca7144c66a3b05067df79a5daec47089502781f85dfed
Manifest9b359a00886b3773ae867130fb3d235f2ff139217975d62718b7bfadd64ae6a1

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
SignatureBOqvZqiWkhQnQhB10ZtLl9CvfLhyDkyrN1LDSozAwt9pU4mB1SYVYy75XA++pymvY9QmrdDI2El/9nP/IKiSDQ==
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

2026-09-17T11:39:53.978937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029267
observed e019613848ff650ef37ca7144c66a3b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.961902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029267/manifest.json
observed 9b359a00886b3773ae867130fb3d235f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.943686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029267/publication.md
observed b5d00b331d1ee846913a26c67030b787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.924530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029267/publication.txt
observed ca2002feadf55f273e55d560a1f1b861...
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.