OpenTechnical

OT-2026-000064019

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000064019) never changes.

Identity and time

Publication numberOT-2026-000064019 · never reused
Internal UUID01a0ae8d-53bc-749c-b753-7293ed499748 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064019
StatusPUBLIC

Content hashes

Canonical text81b4a5fb40fd8cdfafe519799d8c841a909e9a80ff0d6bfe6137902d4a78557a
Markdownb818adbb96833dc19cbbe0a57412065d77e6cd6a999942ecee9ac0d103bc329a
PDF
Publication pagece47e285d5c81e1493e2a3d6336b8872145ec6c902ddb6586ffc686560567e4f
Manifestd8b3fb03db0ea4e0d19bb5948ef41df59adebd2a455ef19a67cfa4a8e0a2e37a

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
SignatureYAf1J6SgWhwMxRgvlvY31dWyStkiBnUT8/jipJQC5z0uLofGNTkwe+Ab3YVRkGfPLIZgWJxDYDUBS1GzQ6FZBw==
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

2026-09-17T10:37:06.115250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064019
observed ce47e285d5c81e1493e2a3d6336b8872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:06.098055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064019/manifest.json
observed d8b3fb03db0ea4e0d19bb5948ef41df5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:06.081084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064019/publication.md
observed b818adbb96833dc19cbbe0a57412065d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:06.063785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064019/publication.txt
observed 81b4a5fb40fd8cdfafe519799d8c841a...
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.