OpenTechnical

OT-2026-000048562

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048562) never changes.

Identity and time

Publication numberOT-2026-000048562 · never reused
Internal UUID01a0ae80-4de7-792b-af60-a31128afae5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048562
StatusPUBLIC

Content hashes

Canonical text9908f43f4eba76fc2087ddd9f14f8cd9afbf5da362d21c9735835e068ad479e3
Markdown86d7244feb68fdc1ec077e1f7f5c93589830e5a14b122d1f089b742f5fb37dca
PDF
Publication pagee919ce97664f2145146026a508d1550c8c305e420856f7c442fd04597c9b188b
Manifest286429291d4a6009efb32871386358f17942dca2db1d6447f1abb93e2f7c4a1a

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
SignatureYXGlX21FH8z8S+JuV9HNxUgR4CUeotrg4URFJ3dEsnVnlaF7wyPV+4NrcPoDwZ9l+7bZwaz2EV+FwRDrz2nHDg==
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

2026-09-17T11:05:21.721406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048562
observed e919ce97664f2145146026a508d1550c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:21.702739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048562/manifest.json
observed 286429291d4a6009efb32871386358f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:21.682746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048562/publication.md
observed 86d7244feb68fdc1ec077e1f7f5c9358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:21.663706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048562/publication.txt
observed 9908f43f4eba76fc2087ddd9f14f8cd9...
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.