OpenTechnical

OT-2026-000050615

Publication integrity record

Three cup vacuum gripper, three 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-2026-000050615) never changes.

Identity and time

Publication numberOT-2026-000050615 · never reused
Internal UUID01a0ae82-5c4a-7db0-b3e6-6b2e506849c6 · 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-2026-000050615
StatusPUBLIC

Content hashes

Canonical text6bb9c8b0a1709298e29da4504542fc637f20f2c04e81873969724c14f19eaf53
Markdownbd0d0867e3b35e8b7a14fea60cd927c8b2df4f6c54cc21555f4aad316e6a4430
PDF
Publication page7ff84fa8862e46f20ef40dbb48127d7a573dc2e289027925337d719960b8180c
Manifestac2e4700ccb3531dc9ef539c4d20e62106896f370da9dc8560d91e65376a51d8

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
SignatureMOOz6woAcYMdB71BTHpw6xP1ClwWlKpekJ8/lrT+eUk3ggNC9/0UxIkXHMJOl2m8CiLi8ZhWpDAL67nIzmmlBQ==
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

2026-09-17T11:01:43.536409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050615
observed 7ff84fa8862e46f20ef40dbb48127d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:43.518337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050615/manifest.json
observed ac2e4700ccb3531dc9ef539c4d20e621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:43.499597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050615/publication.md
observed bd0d0867e3b35e8b7a14fea60cd927c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:43.481663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050615/publication.txt
observed 6bb9c8b0a1709298e29da4504542fc63...
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.