OpenTechnical

OT-2026-000020333

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000020333) never changes.

Identity and time

Publication numberOT-2026-000020333 · never reused
Internal UUID01a0ae6f-437a-7e38-ba68-4c4baa4936a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020333
StatusPUBLIC

Content hashes

Canonical text99151ee233356c3d295a6707b7f2b8831d61505e407e2cfef283432a2cf61d31
Markdowne74c80844a50e9b85f7943071e680a03c3cbd63c6df73ec9fa6b67c66cb5998c
PDF
Publication page6d31c6f09587ee1b28a3d9a1f38c9565f842a8a7e57aebb805bfafceaada675d
Manifestca919da3f0f2d13e3fe70d5c8a25a0bf1701cfa76be5211420cdaf7bab657705

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
SignatureREp7OflaROEGMdjr9j0PUGQewDsqYCu2wQSNgURlOJbgt/Q6/PCmlAW2Jh11D2IKV2x/rQWuuABuVxl5bwpIBg==
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

2026-09-17T12:00:06.526264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020333
observed 6d31c6f09587ee1b28a3d9a1f38c9565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.503342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020333/manifest.json
observed ca919da3f0f2d13e3fe70d5c8a25a0bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.466280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020333/publication.md
observed e74c80844a50e9b85f7943071e680a03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:06.442347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020333/publication.txt
observed 99151ee233356c3d295a6707b7f2b883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:17.112495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020333
observed 6d31c6f09587ee1b28a3d9a1f38c9565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:17.093140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020333/manifest.json
observed ca919da3f0f2d13e3fe70d5c8a25a0bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:17.071512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020333/publication.md
observed e74c80844a50e9b85f7943071e680a03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:17.051684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020333/publication.txt
observed 99151ee233356c3d295a6707b7f2b883...
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.