OpenTechnical

OT-2026-000067566

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000067566) never changes.

Identity and time

Publication numberOT-2026-000067566 · never reused
Internal UUID01a0ae8f-6bda-7db2-9bb7-fbe70ba7e97a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067566
StatusPUBLIC

Content hashes

Canonical textd8142ea5f66793f24c5df866c6b664f5fdd63843eece729181abf367edc6e2ea
Markdown240d6c6c0c261d625fab90415dd1ae59abbca495204c073213097798b905f796
PDF
Publication page294a859c0a5042190b011727e20eedc3332882a7b5ea26b7407ac83d207c963e
Manifest43f9d0492c391a5ac3ebaf20be4c804bd7c64ea9b623d9dc8c9c240d9986329f

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
SignatureRF0KYjksnhUcZcJq1XjBjvIss1VPcNi4diK6OO3PmJLPmd5gOvtKe93cg02HqKeAVZ/Sr5cVQ/nQTJhgs0GADA==
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

2026-09-17T10:31:52.547263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067566
observed 294a859c0a5042190b011727e20eedc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:52.528558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067566/manifest.json
observed 43f9d0492c391a5ac3ebaf20be4c804b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:52.511004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067566/publication.md
observed 240d6c6c0c261d625fab90415dd1ae59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:52.493984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067566/publication.txt
observed d8142ea5f66793f24c5df866c6b664f5...
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.