OpenTechnical

OT-2026-000100109

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained 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-2026-000100109) never changes.

Identity and time

Publication numberOT-2026-000100109 · never reused
Internal UUID01a0aea3-1474-749f-a2ed-1925837927bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100109
StatusPUBLIC

Content hashes

Canonical text8e8478e7d07d4733213dc005dd6713a5bac0cde3d030c7188316410122b0dd41
Markdown0dc421a07826c19b53d41e9da43bbbe6b02f28c7dfc9047f1c62136604f2eb27
PDF
Publication page4b023dea048d5c7ca65350384f8ab7815b729f95460b621a343ad548ac95ddb8
Manifest16e834b773bc1ceb99fce8efcd86b4f8aabfa7d2dd8fa475bb3adbddccfeea98

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
Signature/ZpN0CUG8tDhxPJGEcxeAq19RC9irgsQmX/ape2EAYqS2VWT+6YwXkwjBM+DmGRfeUehMr3wuOtBJriRdSXEBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:04.297553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100109
observed 4b023dea048d5c7ca65350384f8ab781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:04.279563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100109/manifest.json
observed 16e834b773bc1ceb99fce8efcd86b4f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:04.261512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100109/publication.md
observed 0dc421a07826c19b53d41e9da43bbbe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:04.243001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100109/publication.txt
observed 8e8478e7d07d4733213dc005dd6713a5...
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.