OpenTechnical

OT-2026-000100175

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000100175) never changes.

Identity and time

Publication numberOT-2026-000100175 · never reused
Internal UUID01a0aea3-3052-7b89-a7f3-76a23ca7d649 · 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-2026-000100175
StatusPUBLIC

Content hashes

Canonical textf2abf7e7551632d661b7e9eece3b93033c647a371f75aca874366a45ff539bfa
Markdown5094b90290a2245191d2c25d2c3b61d08b0f58a25df8cf4f2ec165996e0209fa
PDF
Publication pageca052c792e2a8f424ba9a062268f92d01326e97cdd613fb796bf02cee85aad6b
Manifest223ceb0bd6f3558408222302ea4a9b33594ee03a3b8f6680072b13e8f141c5ef

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
SignatureVY+5s+oq1LzaoC8IsWJwppyXs6BjFF5CAM3ic80Uq5+TzyXxjwG56pb+0O/3BMWFLUC4i/SLqleY9aRKJCeWCA==
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

2026-09-17T09:27:53.245917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100175
observed ca052c792e2a8f424ba9a062268f92d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:53.226898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100175/manifest.json
observed 223ceb0bd6f3558408222302ea4a9b33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:53.209258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100175/publication.md
observed 5094b90290a2245191d2c25d2c3b61d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:53.191942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100175/publication.txt
observed f2abf7e7551632d661b7e9eece3b9303...
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.