OpenTechnical

OT-2026-000006744

Publication integrity record

Vacuum cup gripper, two zone face, two stage ejector, pulsed blow off before 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-2026-000006744) never changes.

Identity and time

Publication numberOT-2026-000006744 · never reused
Internal UUID01a0a965-e7e3-7b53-92e9-a6ed751243a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:47:03.141845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006744
StatusPUBLIC

Content hashes

Canonical textc5f385216e9b216b0c6caf4515841bcdb2507efb4fd83821e263fb69a8707a5f
Markdown9e59ade0b685f3761dd18e7107f461697ea6e427d3d602f3d83fcd915775f91f
PDF
Publication pageb788e9b816f82ee7bdaafa08f8b3bf6a2d1f5894b71607f9504699a4b479f669
Manifest3b90e35df14e237059a54ec279ce6191f0aa99c9dbb9853fbdc9ae590ab6771f

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
SignatureeoiGXNCftCpdvqlok7h35nap5k6clcOUchsmy3bZp7m6wZg9m4N5e6xryKZh8Zn+SwA1I2cmVSEqVJHHZctgBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:11.135643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006744
observed b788e9b816f82ee7bdaafa08f8b3bf6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:10.999299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006744/manifest.json
observed 3b90e35df14e237059a54ec279ce6191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:10.985577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006744/publication.md
observed 9e59ade0b685f3761dd18e7107f46169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:10.970855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006744/publication.txt
observed c5f385216e9b216b0c6caf4515841bcd...
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.