OpenTechnical

OT-2026-000063540

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000063540) never changes.

Identity and time

Publication numberOT-2026-000063540 · never reused
Internal UUID01a0ae8c-f945-716f-9163-3756ed07b186 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063540
StatusPUBLIC

Content hashes

Canonical text03c9641e2cc2ebd1cedd3003ebc7bf2ba3cc8233a47bfd8e6e2f0c14d3f1786a
Markdown836def1641e527c47ef9ceb6e6cf2a0dfb2b00dd9dddd88e6ef375c2f1aaa53f
PDF
Publication page4d90d9bf173082b8c570ded7cde4004c859d2dddf9e4093c6626863bef9ee784
Manifestf244760a2587f7f7cf380865d582b2420daa9886c86af42f85f9c7328859c267

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
Signature2yaf91mrosVMz4pdfWOttMT7WJwNW7utttWpTEos4hNn20WrkRvtSjWLvbisnfxclwE0XHvlWC+rfgH0FyLXCQ==
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

2026-09-17T10:37:32.221051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063540
observed 4d90d9bf173082b8c570ded7cde4004c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:32.201912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063540/manifest.json
observed f244760a2587f7f7cf380865d582b242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:32.179607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063540/publication.md
observed 836def1641e527c47ef9ceb6e6cf2a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:32.159478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063540/publication.txt
observed 03c9641e2cc2ebd1cedd3003ebc7bf2b...
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.