OpenTechnical

OT-2026-000006228

Publication integrity record

Vacuum cup gripper, common isolation valve, six outlet manifold, ejector fed, silicone cups, oval form

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-2026-000006228) never changes.

Identity and time

Publication numberOT-2026-000006228 · never reused
Internal UUID01a0a953-ad1c-7dca-9b26-a4b89dc9d76d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:27:08.449256Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006228
StatusPUBLIC

Content hashes

Canonical text15f3ef2d0c1874c3fae3f3adb0d6b23d31629e61ee6ad4951d72d7835061352f
Markdown619bed4aea98a6385bcfeea3f5f1d0715c984d129f7038b42695a9bb98405838
PDF
Publication pagea90e02b350510d3d639a175e73a5fa007845c65e8df8e80cca10f846d38873a1
Manifesta6d7400499bbd0ccbf39f060a7bd690cfe1ecb34cbb31a58b4b36d435d5e4fa6

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
Signature8AFye+DKB7D/BO4/BbsaWtocyLFBStDQx0hrVa+RkKbb2B72UqXzCbYKHkVVMSrZ3JZCRum8qws8g9yKI+FWDg==
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

2026-09-16T08:30:12.661447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006228
observed a90e02b350510d3d639a175e73a5fa00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:12.647520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006228/manifest.json
observed a6d7400499bbd0ccbf39f060a7bd690c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:12.633400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006228/publication.md
observed 619bed4aea98a6385bcfeea3f5f1d071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:12.497564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006228/publication.txt
observed 15f3ef2d0c1874c3fae3f3adb0d6b23d...
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.