OpenTechnical

OT-2026-000077558

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000077558) never changes.

Identity and time

Publication numberOT-2026-000077558 · never reused
Internal UUID01a0ae95-2ece-7fb9-aa82-75dd5deacc32 · 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-2026-000077558
StatusPUBLIC

Content hashes

Canonical textba2343798e497fbd4c895f1e401d36a436535258d32c36c2a388b58b17b3a01a
Markdown7ffc2bc2f8653b0f2612175d2579b0a5f6638644778c65573d9b80baf9c15490
PDF
Publication page05191e6b0b03d82696bb740bd3f33c8b1d837408a16639fbf0b0970920e5fd1a
Manifestd55917b4cd47d1e258033ac6e354c9cf474dff72fb28d58b882abc7949f79dec

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
SignatureBGZPrgnCJhCWs5JeFtOHosOcNCyBmucF7PvrM6H0omboaS1mLqLBtnaS7n8zsImRXKMXzwrFNnJGcxfJWgBFCw==
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

2026-09-17T10:06:53.407859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077558
observed 05191e6b0b03d82696bb740bd3f33c8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:53.388875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077558/manifest.json
observed d55917b4cd47d1e258033ac6e354c9cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:53.371223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077558/publication.md
observed 7ffc2bc2f8653b0f2612175d2579b0a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:53.350680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077558/publication.txt
observed ba2343798e497fbd4c895f1e401d36a4...
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.