OpenTechnical

OT-2026-000076154

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000076154) never changes.

Identity and time

Publication numberOT-2026-000076154 · never reused
Internal UUID01a0ae94-6a6f-7d87-86a8-335511fe686e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076154
StatusPUBLIC

Content hashes

Canonical textfe1d8c6ce892c511db490124420a7db502212b72291da3c2de106c5db0da2264
Markdowne10734eb9a9a990be8b82fc1e720a64751d28e048cb3bf8aa33be8585fe2d89f
PDF
Publication pagedac530b267caf3df672eef9a0c93563179039b282bd04985cc985a906fbf6a5e
Manifestcbe0dc840e0e4b0957bd1c47ef4c32cb828f2f466956bec03b05bddccc40bb06

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
SignatureRRCdD79qkaXNCsnvAiz2MgIZ6av89CRrGH4T6Hvc1iTE99pSteT0epWg95NvSTvgDIM3x34BMbu+9Tg2OrJOCA==
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

2026-09-17T10:11:13.267333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076154
observed dac530b267caf3df672eef9a0c935631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:13.251401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076154/manifest.json
observed cbe0dc840e0e4b0957bd1c47ef4c32cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:13.232970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076154/publication.md
observed e10734eb9a9a990be8b82fc1e720a647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:13.215157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076154/publication.txt
observed fe1d8c6ce892c511db490124420a7db5...
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.