OpenTechnical

OT-2026-000098558

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000098558) never changes.

Identity and time

Publication numberOT-2026-000098558 · never reused
Internal UUID01a0aea2-42ab-7b13-b42e-ab9ea0f2717e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098558
StatusPUBLIC

Content hashes

Canonical text88caa8044e72ddca97dfabc0d6f20ec2c864dd86333b9f0b9bb5d7c32d0f9adb
Markdown481a8719945fb6f51ac9c775d7b64d0acaff0a45962180fcb2549d3975ff945e
PDF
Publication pagec8280f2ef198a0f4b03031948a0bcc3f09dd03fbed2270fd777444f7095abe57
Manifest214599db21d9c9a971bd21533098c75088b960a41358b311df2f7cfc031d4b92

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
Signature2GiuaJNEUex1fVWARgaSXL2cCODu28mRsnYsmgvJo5WqaOwRNhSIDytHhHXAW++44rTlnrehd9pJHKw2UtLXCQ==
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

2026-09-17T09:30:49.255711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098558
observed c8280f2ef198a0f4b03031948a0bcc3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:49.239701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098558/manifest.json
observed 214599db21d9c9a971bd21533098c750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:49.221213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098558/publication.md
observed 481a8719945fb6f51ac9c775d7b64d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:49.201554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098558/publication.txt
observed 88caa8044e72ddca97dfabc0d6f20ec2...
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.