OpenTechnical

OT-2026-000101457

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, 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-2026-000101457) never changes.

Identity and time

Publication numberOT-2026-000101457 · never reused
Internal UUID01a0aea4-0e14-74ee-b116-25853e65eb8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101457
StatusPUBLIC

Content hashes

Canonical text726e1053b8c7a4361f2954489263f405f5754065003b07ee93cccdbde35c5a27
Markdown514b62654234f0df5a651509f7442566bbdf5d403490c72ce58bf50e5214f666
PDF
Publication pagedff2085c38eafa961da861e5ffd7461d877666f880e83c9698a4def9c5a487e4
Manifest3f9f41e6bf2cc943aeb26719eb808ba3ab16b392d214b9885168dff50ce93710

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
SignaturebBUidRkzcUUhcUWw7UooO7qtIRd3GRi502bwMBl0oaNucaYehDZpQElQJvR1ApAprM7x1LgccCN4/kIUlkypCQ==
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

2026-09-17T09:26:01.888802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101457
observed dff2085c38eafa961da861e5ffd7461d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:01.870910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101457/manifest.json
observed 3f9f41e6bf2cc943aeb26719eb808ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:01.852674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101457/publication.md
observed 514b62654234f0df5a651509f7442566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:01.834260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101457/publication.txt
observed 726e1053b8c7a4361f2954489263f405...
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.