OpenTechnical

OT-2026-000086986

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, sustained blow-off 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-2026-000086986) never changes.

Identity and time

Publication numberOT-2026-000086986 · never reused
Internal UUID01a0ae9a-80a5-77bd-9067-06f87b0963f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086986
StatusPUBLIC

Content hashes

Canonical text4257ba6ae3486b80c3e340821d92147b1fbfcada3d5ad8b45cf7b357cfa72edd
Markdown3436ad178663745cab3daba64c20c0a1c8f45e61d157fc5c29f164a13ba47349
PDF
Publication page31298d7905259958aad7d63fdb44710dc6bfdae964c3fcd132d0b8972bd3f820
Manifestb5b6eb29840fe50b840f39c71c948ac13ee0d12caa853b09d8149d4364135f78

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
SignaturewGEjwmbOL+Fwu2qenAvQP/fEhNSDCeU7Je7/+XSnji71ZNEAsDA10rxGWOQdWwVVFRuDouUQvU+WCIcwKiiNCg==
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

2026-09-17T09:51:53.221771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086986
observed 31298d7905259958aad7d63fdb44710d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.203431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086986/manifest.json
observed b5b6eb29840fe50b840f39c71c948ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.185569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086986/publication.md
observed 3436ad178663745cab3daba64c20c0a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:53.168166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086986/publication.txt
observed 4257ba6ae3486b80c3e340821d92147b...
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.