OpenTechnical

OT-2026-000016616

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000016616) never changes.

Identity and time

Publication numberOT-2026-000016616 · never reused
Internal UUID01a0ae6e-5918-7921-a6a7-23489d04e475 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016616
StatusPUBLIC

Content hashes

Canonical text830709cf8a7c87997dfd58e07fecb5da5c9e7b2a695de7ae31f42d6a61322209
Markdown36d54742f475aae4369616ba2c989a4d71578fabfd58855bb55ac61f1705e86e
PDF
Publication pagec1d9a3cd708af05d6eb630ce233437501ec66fb4d22e53b8ce66a9c4935cf6b4
Manifest8046b887659084959d4d59a0d0780a0c8343fc9e055c33ab615fc8861e772f60

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
SignatureF2QzWr384Vwity1d8PrbNcZ23M5ZZs7HDOLsVKa+SuQy9IM44dlUEXwFgxXSirUY7CvywlJi91KMawcqJiSuCA==
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

2026-09-17T12:02:48.176519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016616
observed c1d9a3cd708af05d6eb630ce23343750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:48.158284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016616/manifest.json
observed 8046b887659084959d4d59a0d0780a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:48.137503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016616/publication.md
observed 36d54742f475aae4369616ba2c989a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:48.116309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016616/publication.txt
observed 830709cf8a7c87997dfd58e07fecb5da...
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.