OpenTechnical

OT-2026-000028366

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000028366) never changes.

Identity and time

Publication numberOT-2026-000028366 · never reused
Internal UUID01a0ae72-e2f5-7a8a-a19b-e16db8d29623 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028366
StatusPUBLIC

Content hashes

Canonical text9e15f44a786f53589d23dd4c1a974e8539eb0fcee2e91f38ac4a95b7d71caac7
Markdown3390728c9c685c5a9c57c02ef0eacf7349a87fd02880b111963533b495e767f5
PDF
Publication page1d5feac1818b5ce35f6cc02e42edc6d6f2aa7537329576654a8c9c5832fee765
Manifest9996e326ce953b4114a628bb462afdc370d1db0ab0d7f3e75d469dc6d5ed1e47

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
Signature383oE/cKUk6Iof7wFrz3uPmMzuJp2sSlUw8Q8Sww2XPu7jqYcLpHQXHxImm1PbIa0g95muFtOvcezT1VtkroBg==
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

2026-09-17T11:40:22.765188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028366
observed 1d5feac1818b5ce35f6cc02e42edc6d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.747661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028366/manifest.json
observed 9996e326ce953b4114a628bb462afdc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.728316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028366/publication.md
observed 3390728c9c685c5a9c57c02ef0eacf73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.708724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028366/publication.txt
observed 9e15f44a786f53589d23dd4c1a974e85...
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.