OpenTechnical

OT-2026-000050303

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000050303) never changes.

Identity and time

Publication numberOT-2026-000050303 · never reused
Internal UUID01a0ae82-5c47-75d4-94b0-19823829f5ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050303
StatusPUBLIC

Content hashes

Canonical text16662c68158ffdf4274785c9afe38fd5987a2982bf39f4f03c8cf4c6d4f32282
Markdownad8e182cb51c049eb0025db09c5628fb96aca8728d0d1097f67abfe9d0bcd6f9
PDF
Publication page1de52f54d5653ad8a6f1a85f8214beafda44d031453cb02296e4c6fb1bac3147
Manifest8fd4d5e2902288671ea9900713998872c52b328f3845d9129de4387610289632

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
Signatured7JUhMK9JZRj6h2pHJOd0V25g+7bjSr81+1UyxmTI7pYxOlfVF6NZBrZd1ZbyMeTiETEy60iB+0kUPR2DhlaDQ==
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

2026-09-17T11:01:18.763089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050303
observed 1de52f54d5653ad8a6f1a85f8214beaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.745473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050303/manifest.json
observed 8fd4d5e2902288671ea9900713998872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.685053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050303/publication.md
observed ad8e182cb51c049eb0025db09c5628fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.628791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050303/publication.txt
observed 16662c68158ffdf4274785c9afe38fd5...
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.