OpenTechnical

OT-2026-000097572

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000097572) never changes.

Identity and time

Publication numberOT-2026-000097572 · never reused
Internal UUID01a0aea1-92f1-7e79-af4b-18ef0ea65030 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097572
StatusPUBLIC

Content hashes

Canonical textf1720852157acd0e7b01fb3f9bef272c8bdca728c6f7d60a677dd2be195f7e36
Markdown6e32cb241a47d6cdb06137d836eb337066131370469351cb3faedbff6c4a1e7b
PDF
Publication page4bd9b1d3dd0cd90c51a234607a4c81f464b38cdb33c7794abce9a8de47d809fe
Manifest0f82ed306261579459b8df4f0cac1162d3c5178d5cadbc07fa7898dc28149d4b

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
SignatureoQv8031W6tzlHDqVW4XQAu/H3i/Tx6H3E3r9ijXS2/7y5KclyQsFWE3VtG88g9MWf9h2A8G7QEvlEteC5B3cBw==
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

2026-09-17T09:32:29.078097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097572
observed 4bd9b1d3dd0cd90c51a234607a4c81f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.060284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097572/manifest.json
observed 0f82ed306261579459b8df4f0cac1162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.041243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097572/publication.md
observed 6e32cb241a47d6cdb06137d836eb3370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:29.020434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097572/publication.txt
observed f1720852157acd0e7b01fb3f9bef272c...
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.