OpenTechnical

OT-2026-000069065

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000069065) never changes.

Identity and time

Publication numberOT-2026-000069065 · never reused
Internal UUID01a0ae90-6dce-72ba-9eba-edbdb28ca6b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069065
StatusPUBLIC

Content hashes

Canonical text0aa865a76f11194ebe1261d59757bda3147b14a9f19fc3a2347af30d4c6e96fe
Markdown99f710660b4e2e52fecf69472bb796d1606b300c961227200811eccbc3a8517d
PDF
Publication page9ffa0489c07bebcadc8088e23b63e6299b63bc302e3e80f24886c5d65cf27d5c
Manifest78da0c41a2d63cf8b780f0f08bca3d4f5d788b9306d07e28f8ab44894cd3d935

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
SignatureQ7SQrTHd8vZQLTTV3IDSPNaY8SRogN7iH+slKcsMZWySyB05QTScW3Trggngrtm9sN17DEQsoJ+6wOloNCuUBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:55.782991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069065
observed 9ffa0489c07bebcadc8088e23b63e629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:55.766017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069065/manifest.json
observed 78da0c41a2d63cf8b780f0f08bca3d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:55.747629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069065/publication.md
observed 99f710660b4e2e52fecf69472bb796d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:55.731391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069065/publication.txt
observed 0aa865a76f11194ebe1261d59757bda3...
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.