OpenTechnical

OT-2026-000050331

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000050331) never changes.

Identity and time

Publication numberOT-2026-000050331 · never reused
Internal UUID01a0ae82-5c47-78dc-b68a-e72d3a9d2eea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050331
StatusPUBLIC

Content hashes

Canonical textf84c8eb00a5342a9c86e0161bcfd96c5f16d54c4b2792a83571f8fd57dd1c195
Markdownc0070a70f733faae098a44fd71a29af9ae358c680a24be4502da10723d5d2bb2
PDF
Publication page241bb8813cf565f14885ba8814bbb66a41f6faebc15b21b335298179caa32e68
Manifestdbaac1db26645d0cddb66dfb1bcc694f8c737afccb1ea26d43a3c0b1538bc067

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
Signaturebzg8B3chXMaHqF3iOvuy0WcPFAUvmqLf7aD73wArDGxTQlfo5Q4CBMDCzrHFqC59U3p8ZpL1Y7Czz2rVPxLMBg==
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

2026-09-17T11:01:21.442129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050331
observed 241bb8813cf565f14885ba8814bbb66a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:21.426778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050331/manifest.json
observed dbaac1db26645d0cddb66dfb1bcc694f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:21.409215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050331/publication.md
observed c0070a70f733faae098a44fd71a29af9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:21.369490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050331/publication.txt
observed f84c8eb00a5342a9c86e0161bcfd96c5...
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.