OpenTechnical

OT-2026-000077888

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000077888) never changes.

Identity and time

Publication numberOT-2026-000077888 · never reused
Internal UUID01a0ae95-2ed1-74cd-ae52-ca25cea4a08d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077888
StatusPUBLIC

Content hashes

Canonical text5c1268d9ad7e726a52bda7d2e891d37e345886b2705b9eb7b55b97134efc0556
Markdown7ff159678a6d6781eeb81833c20a1eb1f44bda9ad7ddc5414e1193e8bbd5ff6f
PDF
Publication page72d96e5629251d91e890cf4e74a17f6b6629db2c86d04d882c90403aa910b15d
Manifest0582174de344096a43a4df65d093e7b48105eee9fc0eb3dda339daebde044a63

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
Signature8ZerIPPdSbJQHM0WhqRmcr6JSh55ZasqIe/LxRAZrDY/IaV597rAMAKfIRUHnyB/fnvu8swaFy70j3fiB+PhCg==
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

2026-09-17T10:07:38.038420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077888
observed 72d96e5629251d91e890cf4e74a17f6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:38.015438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077888/manifest.json
observed 0582174de344096a43a4df65d093e7b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.995696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077888/publication.md
observed 7ff159678a6d6781eeb81833c20a1eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.974927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077888/publication.txt
observed 5c1268d9ad7e726a52bda7d2e891d37e...
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.