OpenTechnical

OT-2026-000006645

Publication integrity record

Vacuum cup gripper, two zone face, ejector fed, pulsed blow off after set down

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-2026-000006645) never changes.

Identity and time

Publication numberOT-2026-000006645 · never reused
Internal UUID01a0a962-822d-7b0e-86e6-fbcba45078d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:43:20.496077Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006645
StatusPUBLIC

Content hashes

Canonical texteec7395367e4c6bbfc984102624dd3f267c6d371cebf93be54fca19166008e4b
Markdown67934aa7b2c03ff83d497ca1184cb84e0f5f3682c8d138bc7b85888f037215cf
PDF
Publication pagea4768dd54c7ae0da8648fabfb354b0268e824af91e7f0a06d3e4c862df3ba5ce
Manifest31cfea76c805eb5c375f8873ef3e08aac806db23e5eb30820cef38b4db8e6d1b

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
SignatureviY83/FoVw7qfysXHYx8HL6je/Ql4VsTijnN8Z0vzmGAEv/PXWZk4BYZrxa4gVYLHx262dnG35eDxzLtalhkBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:21.734306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006645
observed a4768dd54c7ae0da8648fabfb354b026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:21.723116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006645/manifest.json
observed 31cfea76c805eb5c375f8873ef3e08aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:21.710127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006645/publication.md
observed 67934aa7b2c03ff83d497ca1184cb84e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:21.697016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006645/publication.txt
observed eec7395367e4c6bbfc984102624dd3f2...
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.