OpenTechnical

OT-2026-000020970

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000020970) never changes.

Identity and time

Publication numberOT-2026-000020970 · never reused
Internal UUID01a0ae6f-65e4-7b70-8318-cc06b78a4dcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020970
StatusPUBLIC

Content hashes

Canonical textae510fe20c6f09e3b0ee9f9b01db5d6a812477d6f6f06bbebab38f0c4beb639d
Markdown8a97dde999d69ffb966eb2db1b6c0b06a1775b4b84d88940269b3b3719e0b93b
PDF
Publication page44c419caef5fc4542254e9b29ebaa30152ddae0e60f0527cc7187eccbcabf7ed
Manifest7c5ee0dfee37fb31ca4ae1529410943df56c59dd15757210b9f2fca51c3aac50

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
SignatureOcJfr77sDaQiN+rv+7fOJZdIGUxiFy0Ge7BrCnugis7wqT9t98wnWFfeo8LQQcD1rJZapN62RSb9cAd3O4wRCQ==
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

2026-09-17T11:56:06.869118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020970
observed 44c419caef5fc4542254e9b29ebaa301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:06.851011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020970/manifest.json
observed 7c5ee0dfee37fb31ca4ae1529410943d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:06.833509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020970/publication.md
observed 8a97dde999d69ffb966eb2db1b6c0b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:06.816576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020970/publication.txt
observed ae510fe20c6f09e3b0ee9f9b01db5d6a...
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.