OpenTechnical

OT-2026-000098873

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000098873) never changes.

Identity and time

Publication numberOT-2026-000098873 · never reused
Internal UUID01a0aea2-8286-7945-8826-7791fde1b1ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098873
StatusPUBLIC

Content hashes

Canonical text94d5f7813dc5ca137da768bc6161b2bf27c158a16f02cb8b8dc5d0210c4cfe6f
Markdownd7a70033401546fc7a62e85862c72ceb064ec155ef074a6be7e4cb4edcb13098
PDF
Publication pagef52c88aebaaa8bc8b18c480026a9d43e0a99edc3cae8a8b5339b8ea26ad9ee1b
Manifest0873d25a23b0cbb5694eb762f79c123a23ff33215c41267c1f008e08cd8f7961

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
Signaturea1DfoaAsFlIHPV2/yJPreqsdRbH7jpM84GfIn0EuSKFGjFMoF4XO0+DCm6fG9c/TBX+N9y6Phv0umT1zNtNUBw==
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

2026-09-17T09:29:55.279942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098873
observed f52c88aebaaa8bc8b18c480026a9d43e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:55.261754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098873/manifest.json
observed 0873d25a23b0cbb5694eb762f79c123a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:55.243706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098873/publication.md
observed d7a70033401546fc7a62e85862c72ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:55.225990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098873/publication.txt
observed 94d5f7813dc5ca137da768bc6161b2bf...
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.