OpenTechnical

OT-2026-000103281

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed 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-2026-000103281) never changes.

Identity and time

Publication numberOT-2026-000103281 · never reused
Internal UUID01a0aea4-be3f-7616-9217-cdaed5596dd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103281
StatusPUBLIC

Content hashes

Canonical textc57bc1a57cbe9d9308dac6dc70853dfc3657e6d9de40b0f581b0f3f15bf756bb
Markdown9c078627d1df00158f57661e13f91dc25259685d3675a2584389ca91d87e03fa
PDF
Publication paged76695b299fc2521cd4f2670384e673ac4bc857efc5cadccdd129e7f05d12b63
Manifestb69bf100b017b1b3a552eabac0553aa67b7ec9a8a5819ef0188dc6c3d691080f

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
Signature25XGNez9FbVevY3wMT8etJH/07D2XBL+mkotBaWwC6Ki2BqrDJhpZcrLYJFf+ZQvUmm5ecG+Xeia6RQ6StJYAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:31.445474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103281
observed d76695b299fc2521cd4f2670384e673a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.426670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103281/manifest.json
observed b69bf100b017b1b3a552eabac0553aa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.409232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103281/publication.md
observed 9c078627d1df00158f57661e13f91dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.392162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103281/publication.txt
observed c57bc1a57cbe9d9308dac6dc70853dfc...
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.