OpenTechnical

OT-2026-000034158

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000034158) never changes.

Identity and time

Publication numberOT-2026-000034158 · never reused
Internal UUID01a0ae75-df0d-7773-8b2f-41ac31924dd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034158
StatusPUBLIC

Content hashes

Canonical text7d355655f854d4f445f66a98278580ad54a82ba7fe3b0f3ca059c028f2ad9dd5
Markdownc757c1b6dcc62be308b62cfe220b01adf29e91370316f5e78e30e2201ef6e218
PDF
Publication pagef6866abe1b54a727f9c1afc6c7fdb9e1e26f8a0b7d570df7f13243364daacced
Manifest76094d4231f1b5ae38f8788e3604ca7520008ae214a942a03155c0359ebb4434

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
SignatureAuVO94+gziKLTvu/LTWunHeHsysLzE9i6IsuhVD06vj0uQX3OGDKV83YTE/b+nV+jAHNgpB+YxDPhXbsNTBhBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:30:33.622384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034158
observed f6866abe1b54a727f9c1afc6c7fdb9e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.602948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034158/manifest.json
observed 76094d4231f1b5ae38f8788e3604ca75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.581043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034158/publication.md
observed c757c1b6dcc62be308b62cfe220b01ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:33.561758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034158/publication.txt
observed 7d355655f854d4f445f66a98278580ad...
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.