OpenTechnical

OT-2026-000091459

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000091459) never changes.

Identity and time

Publication numberOT-2026-000091459 · never reused
Internal UUID01a0ae9c-f16d-78a2-975b-4817f3b44e36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091459
StatusPUBLIC

Content hashes

Canonical text472a96b0dd8e38475ea5ec61a677157600d8d30e98ddbc8b3dd7eae3c4f56d8d
Markdowne1e6096a1c2bfe05115c92f9e9da2400a0cbf4eb743961e3f37235029ce071dc
PDF
Publication page5f2fa199cd6bbf98afae2f6b7eb03ec61860e6e2d0557825dd2c2ce74ca93302
Manifest918110b19d3e77080851710d1f8d0d624a36502cca2a4da9a3b875db2b47fd2d

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
SignatureRCOVcbQYZDUfFVMx9xcc4xy2i76F/fC3xdP1PP8ikh+nT0B3ltDZyTQukzP1jklwE5EsSSGmyZY0XgwCntS1Ag==
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

2026-09-17T09:43:42.668716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091459
observed 5f2fa199cd6bbf98afae2f6b7eb03ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.652498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091459/manifest.json
observed 918110b19d3e77080851710d1f8d0d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.635025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091459/publication.md
observed e1e6096a1c2bfe05115c92f9e9da2400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.618195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091459/publication.txt
observed 472a96b0dd8e38475ea5ec61a6771576...
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.