OpenTechnical

OT-2026-000084128

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000084128) never changes.

Identity and time

Publication numberOT-2026-000084128 · never reused
Internal UUID01a0ae98-5b5f-7888-935e-2d59ed4ca6b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084128
StatusPUBLIC

Content hashes

Canonical text96696dc8a0426b1e3e8b690b6b13f94884b53879f770b9eab5e286fbd6e14e04
Markdown205907c79930460a73f064a2a1789857d8d5e0e60fdfccaa2bf2c4a4cbe39a34
PDF
Publication pageb5a64070ebc594abcaa0b2e2dc75de96f14638c0d2a501855a610b9f97a2256d
Manifestb3325615ff2f088a1e6e0635cd701ace289084b9adc9b7e81929442ea765051e

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
SignaturewWiOUuSPlByP/iG45xYorlyOzN4Qq7tb5cJYbEY8uSbUCAMn10qxZSWH8HKPyX8aIo2JzPXuaaJjdNXrBM0DAQ==
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

2026-09-17T09:55:53.461996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084128
observed b5a64070ebc594abcaa0b2e2dc75de96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:53.443573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084128/manifest.json
observed b3325615ff2f088a1e6e0635cd701ace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:53.425652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084128/publication.md
observed 205907c79930460a73f064a2a1789857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:53.407445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084128/publication.txt
observed 96696dc8a0426b1e3e8b690b6b13f948...
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.