OpenTechnical

OT-2026-000016435

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three 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-2026-000016435) never changes.

Identity and time

Publication numberOT-2026-000016435 · never reused
Internal UUID01a0ae6e-2d13-7b54-8201-d32599d7d94e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016435
StatusPUBLIC

Content hashes

Canonical text3d931b64833b78395a1b487c979f8b56eedf2f0befdd6066114eacb58809d760
Markdown2b4a7e45e60b845761c379e64e40c4cdd2d79a6bde411b140f21c38bc451c09a
PDF
Publication page4be5eb08b6886109f410a6074bb664f159a80b5174b842976810fb41d2606d25
Manifesteed599df3e378da0efeb8e58480c930842b23dfb0d9753d5936c9c18d4487d43

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
SignatureD3IcPfqqN0YE0gJ/XhHmz8yc/i3Bhbp/QMRo3UrYD+yy2fQKh8eQRQ7GQy1AHZr5srXhN2RnD69vxvdRHp8sCw==
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

2026-09-17T12:04:31.909853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016435
observed 4be5eb08b6886109f410a6074bb664f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:31.887780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016435/manifest.json
observed eed599df3e378da0efeb8e58480c9308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:31.869002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016435/publication.md
observed 2b4a7e45e60b845761c379e64e40c4cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:31.849252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016435/publication.txt
observed 3d931b64833b78395a1b487c979f8b56...
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.