OpenTechnical

OT-2026-000100163

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000100163) never changes.

Identity and time

Publication numberOT-2026-000100163 · never reused
Internal UUID01a0aea3-3052-7fc3-9047-36599e946c6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100163
StatusPUBLIC

Content hashes

Canonical text16e91126b20953529f3da883fb71d87678f4aa406a4d4593238a0d251c57af67
Markdowndbdda19620c9518507a769e00912ecac0ca1140f16e43005fd35108be6a95e07
PDF
Publication page32c81ff16cff0623a7a9a539802815a5a9102b03ff3d3bcc8af87a1bb3dc43dd
Manifestf4b1b9b853861c4a5e349b1479be843d8c0d9ac195da6b3a3edc7fc765c87642

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
SignatureoEq7qHxHlzKLSWbKa3DW61qGQIn1vvTs8Q+9BbjEuCGAZPuDTnVjdFLOuZyNNVdhF+xO/gi95UFTeKigu3e0Dw==
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

2026-09-17T09:27:52.319386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100163
observed 32c81ff16cff0623a7a9a539802815a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.301874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100163/manifest.json
observed f4b1b9b853861c4a5e349b1479be843d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.285005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100163/publication.md
observed dbdda19620c9518507a769e00912ecac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.266799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100163/publication.txt
observed 16e91126b20953529f3da883fb71d876...
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.