OpenTechnical

OT-2026-000055255

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000055255) never changes.

Identity and time

Publication numberOT-2026-000055255 · never reused
Internal UUID01a0ae86-a0ff-7f2c-9252-df20ab76fb16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055255
StatusPUBLIC

Content hashes

Canonical text0b31970f747b5ae1ccddcb50d792f633b2e3b0e6ad38fb2061c5e6b590d2ee1d
Markdownf02f8a9a5ba3d116c955aa0711f92b7d0ceef07256eacba51ca5c75ec4643394
PDF
Publication page70363da63472bb1d52b56e31c23fbe9b869209fb2b2f1a0056d44a7000eb0620
Manifest36b52a0cdac5b3696db75c5502cfb6d3b0b44227e24a88870965dd321043b8b1

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
SignaturerThHTb7WtZBB3HnN3WoMg/aRDA79ZnwFV3SanbI0GG/T+GLuJpVZS2tLlqus3dVjrydI/lTNQ7o/x7RRF0zICw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:50.587163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055255
observed 70363da63472bb1d52b56e31c23fbe9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:50.568401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055255/manifest.json
observed 36b52a0cdac5b3696db75c5502cfb6d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:50.550545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055255/publication.md
observed f02f8a9a5ba3d116c955aa0711f92b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:50.531730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055255/publication.txt
observed 0b31970f747b5ae1ccddcb50d792f633...
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.