OpenTechnical

OT-2026-000015455

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two 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-2026-000015455) never changes.

Identity and time

Publication numberOT-2026-000015455 · never reused
Internal UUID01a0ae6d-ef4a-71e5-b972-90fa3f9916ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015455
StatusPUBLIC

Content hashes

Canonical text8e2cd1807efc828a32a247d74a719e41e3c0fa207dd8d1202450111289c456fe
Markdown94e3a99c680ca4fe4c58915225650542bfbd5b71ad4b5e4b547bc332fad817bc
PDF
Publication page4baee5261f8ed0a0589e3be3a88c34d4d155166c3088339c4abd14e458e72633
Manifest6b1494808770daf84b7abe8b37a464bb5ecd79a7d7f3cabb0242de9559290e32

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
Signature3XgLwUnGslcaRbVscfixVzYQVsqc6Nc788/mrPBzw+yKN+5+HTDSw0O1Uv82TPKJOS1YLauQ8Rsm/wDsyphdDQ==
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

2026-09-17T12:06:12.270155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015455
observed 4baee5261f8ed0a0589e3be3a88c34d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.250656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015455/manifest.json
observed 6b1494808770daf84b7abe8b37a464bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.232602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015455/publication.md
observed 94e3a99c680ca4fe4c58915225650542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.211094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015455/publication.txt
observed 8e2cd1807efc828a32a247d74a719e41...
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.