OpenTechnical

OT-2026-000047675

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000047675) never changes.

Identity and time

Publication numberOT-2026-000047675 · never reused
Internal UUID01a0ae7f-c41f-7294-9540-723d184be8f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047675
StatusPUBLIC

Content hashes

Canonical text374eaac2919faf5f83032e1f4c3708b15a5fc0f58d5957559d0567707ab0b750
Markdownee2f7cd31b8e5070528f93e68caf1fed4f5c4243acc558c3797feed3f70f08c9
PDF
Publication page9dde9b0b0fefd9b8a43041e01745ec6bb26166433e660514c7bbd2f514173572
Manifest4b6fade7654eb4378e845d860bfdb6e9e097181449c8caeb4a9f54fd6f55924b

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
SignatureaTCRyy/mmhhhLiaPbbdRTP9u/3h2OxgGwqlwJXQhPj/JS1HEobldbgePUrZ8E2oTOlV7skEo1UZyxWxfAoIZCA==
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

2026-09-17T11:05:31.218001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047675
observed 9dde9b0b0fefd9b8a43041e01745ec6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.199151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047675/manifest.json
observed 4b6fade7654eb4378e845d860bfdb6e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.179620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047675/publication.md
observed ee2f7cd31b8e5070528f93e68caf1fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.160275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047675/publication.txt
observed 374eaac2919faf5f83032e1f4c3708b1...
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.