OpenTechnical

OT-2026-000013299

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000013299) never changes.

Identity and time

Publication numberOT-2026-000013299 · never reused
Internal UUID01a0ae6d-6fc9-7dd8-9e78-017f1e210742 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013299
StatusPUBLIC

Content hashes

Canonical text90f9c54af9b73eb1982071e8d9ebe63af0f2d50d6b7c1d193f1631e2a1dae187
Markdownd2df6969e811e5e1fe65088459de4c9a616bddf8f978ddcfbdec8e7ca46b2c52
PDF
Publication pagefa99434fa333034d54e92799715896a7c017240082e5e6afb8fcc3d584b3b44a
Manifest1717f458dcf4e34ccf7b78368098f57cd6f43c9673e0cb45e586d1b4f93b00c2

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
Signaturebx/rqgI25KnOapicmKej4wgbpcnCQ7PvThSUgXoJZY/TSZ2BqXHEiS+A1WJ/6B2MIYSMkUno9pJGWiTjK0hXDA==
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

2026-09-17T12:09:43.510924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013299
observed fa99434fa333034d54e92799715896a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:43.493637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013299/manifest.json
observed 1717f458dcf4e34ccf7b78368098f57c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:43.474877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013299/publication.md
observed d2df6969e811e5e1fe65088459de4c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:43.454682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013299/publication.txt
observed 90f9c54af9b73eb1982071e8d9ebe63a...
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.