OpenTechnical

OT-2026-000064507

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000064507) never changes.

Identity and time

Publication numberOT-2026-000064507 · never reused
Internal UUID01a0ae8d-a461-77b3-836f-7bb6cbf2190d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064507
StatusPUBLIC

Content hashes

Canonical text4e6a9f48dcde79464c3c30e5539f127fe3b9042b219184eb92323d5d757d1d67
Markdownbf6d97ec4968a9fa7f9719ee556224e389dcf8d23f77f850af7bcf66389e34e3
PDF
Publication page2ce2875c1dd8e9dc3713422a7a993be94f3bbe464275c2f430cfcd4acca96c4d
Manifestf1ae00773627b8a6053eb35243d3f914ed62eb56b0378e95f414d9c7f20bea33

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
SignatureXLJUgbmk5rk/r+GfplcVo+qLpWLA8tGz6/WLPM4rPOnUEc7lGlpAIbDD8unxZ1Jvcchfh94xNAAnwHRPw9gQCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:42.965317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064507
observed 2ce2875c1dd8e9dc3713422a7a993be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:42.947771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064507/manifest.json
observed f1ae00773627b8a6053eb35243d3f914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:42.928176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064507/publication.md
observed bf6d97ec4968a9fa7f9719ee556224e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:42.900040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064507/publication.txt
observed 4e6a9f48dcde79464c3c30e5539f127f...
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.