OpenTechnical

OT-2026-000015620

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000015620) never changes.

Identity and time

Publication numberOT-2026-000015620 · never reused
Internal UUID01a0ae6e-0c4b-735a-b75b-1fbc88cc53db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015620
StatusPUBLIC

Content hashes

Canonical text7131f111d4c8494e1be5d87404f5c7ba8de987510b87eeb96f7aba225d3abde1
Markdown58920cec05e8c5145e9b5b5559d84af6756a034dafeb9ffb73bc5a4f82cfab6f
PDF
Publication page252959b459fff704e85430c1a9b532a18d76be62ab87fb93fc013344e92c031e
Manifestdc8c22b98ec9b627400e3530f3b5786831568cb8249f0e4037e9133ade201c6b

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
Signaturejs7ifYqRo8CJzfDgm0s5njA0N7sQm7B/0rG1anNIPdM6/bR1qrnkJRLTZKNlWBuidjdoAjbjsNxWntf+Rw5RDw==
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

2026-09-17T12:04:52.142966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015620
observed 252959b459fff704e85430c1a9b532a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.126116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015620/manifest.json
observed dc8c22b98ec9b627400e3530f3b57868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.107521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015620/publication.md
observed 58920cec05e8c5145e9b5b5559d84af6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:52.088821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015620/publication.txt
observed 7131f111d4c8494e1be5d87404f5c7ba...
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.