OpenTechnical

OT-2026-000050055

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000050055) never changes.

Identity and time

Publication numberOT-2026-000050055 · never reused
Internal UUID01a0ae81-fd78-7b65-816e-1462cdf030df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050055
StatusPUBLIC

Content hashes

Canonical textd265d1159a9d51aa0b9e943eadc14b4c84e80f17dd028c45a0d2c9a7033c7695
Markdown331879c87170e5b1f84e7a613882bb77d802693fcc7db26d17133b151a6b0a69
PDF
Publication pagecd5f22dca6cf496fe5486065b1078763b8dfcb4608b2dd81784a080d379b7b45
Manifest08ee6e683c6e65585b224e5ca8a0d2f712d991f9aed112bb3f7bcbdc11a208ae

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
Signature3oryTUBZlYvBnEcWWXuWBCNCAxucIKnnUCpnp+Tyk6hJAeIjF3WvdFJEhSwJqxVrei3ZDAUwD5QH9IG5H6WVBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:02.205791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050055
observed cd5f22dca6cf496fe5486065b1078763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:02.188864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050055/manifest.json
observed 08ee6e683c6e65585b224e5ca8a0d2f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:02.172473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050055/publication.md
observed 331879c87170e5b1f84e7a613882bb77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:02.154897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050055/publication.txt
observed d265d1159a9d51aa0b9e943eadc14b4c...
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.