OpenTechnical

OT-2026-000077442

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000077442) never changes.

Identity and time

Publication numberOT-2026-000077442 · never reused
Internal UUID01a0ae94-f509-736c-a1b8-fb1b0e1a6136 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077442
StatusPUBLIC

Content hashes

Canonical text102186112880b39fddec414c252b3cd0ee6b4be5959b5331349ce9cf36de138b
Markdowne15730eee150c5e1561d75150829a99b7f2cca9393a0220470883a07422364be
PDF
Publication page3b7b59fd7c516f256ebeee3e2b5b340375910490486d344b415f301ccda1ddae
Manifest0a20f2a4572b34517627cc909fca9ed5d203fbd1d12452cbd05dbc8a078581b2

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
Signature7oyWJV4mv7qXJ6W4o5n69ViL3l395RAK+jkaEOxzcx4tEdTyhQ55KzWs4DVhu1JwbceyqnS6ooM77sTNV+AeDA==
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

2026-09-17T10:09:07.586390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077442
observed 3b7b59fd7c516f256ebeee3e2b5b3403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:07.565852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077442/manifest.json
observed 0a20f2a4572b34517627cc909fca9ed5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:07.548782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077442/publication.md
observed e15730eee150c5e1561d75150829a99b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:07.530098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077442/publication.txt
observed 102186112880b39fddec414c252b3cd0...
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.