OpenTechnical

OT-2026-000003923

Publication integrity record

Vacuum cup gripper, four outlet manifold, two stage ejector, pressure verified, contact triggered

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-2026-000003923) never changes.

Identity and time

Publication numberOT-2026-000003923 · never reused
Internal UUID01a0a90b-7956-7d8a-9fb3-26f8b1eb6f8a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:16.601324Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003923
StatusPUBLIC

Content hashes

Canonical text34e2fe202c734b645e3fd494f16743c8605b7e4d441e9a2a100c896091080462
Markdown774c32da9d6934e0d4139259e406b9b8877c55df25fe613286d3860efe7b8d01
PDF
Publication paged1f392c1a39cacf1767229d0be3e24a881935c06afc5b0a6b331544bc3727b40
Manifest8fe2b7239d8760566f9f18672bafd87303b33d012245870f0fbeb4b4ebc0541f

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
Signatureil2r+Uez8K2OKt46b3A7YbnkkCDSIqHBlr5DEjEzcP6EjZzsT3ruHIfwr1AKQ/hR/FtwCLkgzMMfqNoE6vJoAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:12.082734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003923
observed d1f392c1a39cacf1767229d0be3e24a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:12.068793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003923/manifest.json
observed 8fe2b7239d8760566f9f18672bafd873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:12.053543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003923/publication.md
observed 774c32da9d6934e0d4139259e406b9b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:12.040164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003923/publication.txt
observed 34e2fe202c734b645e3fd494f16743c8...
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.