OpenTechnical

OT-2026-000033517

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000033517) never changes.

Identity and time

Publication numberOT-2026-000033517 · never reused
Internal UUID01a0ae75-a38e-7e86-8a19-57066aae4dc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033517
StatusPUBLIC

Content hashes

Canonical text17676c14e1de64fcad05b441b17866b86f9083281131c81b9051fe8ce87ae096
Markdown342fe6f5a1e4de4d7a5dc9e723b8847eba53687bc42a25289f88fb537ed6440e
PDF
Publication pageb20e90ac0eddee1f2bb500562c73fa6d8686e9ee27fb9609fa8cbec9588f1e0d
Manifest5eda495df3ef03f3c208b4b5d10549a68b12ab877c79111f9d60d3438fc32b93

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
Signature7GAgWzOj/mpYDYpp4OGUfHzNb5eeUf1EiblLNzszUYtZfVam6psfAvu/9HSYRCPQfLGI4W50od7e/DifwwyZDg==
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

2026-09-17T11:31:22.386476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033517
observed b20e90ac0eddee1f2bb500562c73fa6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.367864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033517/manifest.json
observed 5eda495df3ef03f3c208b4b5d10549a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.348435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033517/publication.md
observed 342fe6f5a1e4de4d7a5dc9e723b8847e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.331787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033517/publication.txt
observed 17676c14e1de64fcad05b441b17866b8...
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.