OpenTechnical

OT-2026-000009164

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented before 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-2026-000009164) never changes.

Identity and time

Publication numberOT-2026-000009164 · never reused
Internal UUID01a0ae6b-31b9-7e1a-8463-370f801f5d63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009164
StatusPUBLIC

Content hashes

Canonical texte8c8a904c6beb438f23a629d039d7b9b0d388cd73150f14ebfccda0b0bf894f7
Markdownd3721e0b1693e08b27fc22d0be07d0608890f41c6590ce171f1d609629720b90
PDF
Publication page92bf6e28cb23914e06281abf80a818f0fb7a634cd942ddb1981cc0792c60f330
Manifest599f3c2e8658e5d4616a0f1ff0e9bcb1bc2194f4fa494d1c102bbc34c6c54e88

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
Signature2BN8iYI6G8rBVTqEpNINwrSTE0/7VLZqO9frrPVwuKauab6X7nDrIXRU4LkdC5qTp0s0KTT5nlGcc+zNQJmKDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:52.193579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009164
observed 92bf6e28cb23914e06281abf80a818f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:52.173473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009164/manifest.json
observed 599f3c2e8658e5d4616a0f1ff0e9bcb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:52.154497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009164/publication.md
observed d3721e0b1693e08b27fc22d0be07d060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:52.134543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009164/publication.txt
observed e8c8a904c6beb438f23a629d039d7b9b...
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.