OpenTechnical

OT-2026-000059340

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, sustained 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-2026-000059340) never changes.

Identity and time

Publication numberOT-2026-000059340 · never reused
Internal UUID01a0ae89-8614-7f87-896e-d61919f23621 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059340
StatusPUBLIC

Content hashes

Canonical text3096895b89dae0c22b3a026984ada925e0a45c8572b3727b948ccdd6aa6be032
Markdownf1033e761b22a391271b616aa89c4c757607941e6b037abd85820b7eafdb3463
PDF
Publication page60726c074b5d7d6df30bc02317767b6e99852c0584496df27b96874a02a1cbf5
Manifesta04ddec6c3585f98a66e8c7afb9bb02d47ced95b64836d76494464a75b5a26b0

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
SignatureDnpIXWJLSgCpL2SoJX/4pvwVNu5MWThtrrSiBS5L2fAtTMLdYWvYx66sKdJhK434Q6FR/0XW4FXMAcffDyeXAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:45:59.871822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059340
observed 60726c074b5d7d6df30bc02317767b6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:59.852682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059340/manifest.json
observed a04ddec6c3585f98a66e8c7afb9bb02d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:59.833956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059340/publication.md
observed f1033e761b22a391271b616aa89c4c75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:59.815494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059340/publication.txt
observed 3096895b89dae0c22b3a026984ada925...
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.