OpenTechnical

OT-2026-000041284

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000041284) never changes.

Identity and time

Publication numberOT-2026-000041284 · never reused
Internal UUID01a0ae79-b144-7069-984a-6792433079b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041284
StatusPUBLIC

Content hashes

Canonical textc6f744b05c0460db21fae87f85cf0cab25fdc9a7dd09c421462f144dfd55db0e
Markdownc1ea1a4e399a213626ebd29497f82ae6ba92da88b6847c2f2ea0b7b9278fa6df
PDF
Publication pagedf73988b0940793abc8aed7317a0f65870d31a07c801958576d6ff9f259f3445
Manifest92e9d807e63a92e615f167202dee8a2c44258da2856ba92a7bb297d47bfb352a

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
SignatureX5KjFLlsUFqzg16LCcs8saEy/x5KxPnY6WrCzUJKq7L61tke4rUIRDWQASdSaLlfhU7xk5lUYOg6Nn5YcGiUBw==
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

2026-09-17T11:17:15.776592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041284
observed df73988b0940793abc8aed7317a0f658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.758608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041284/manifest.json
observed 92e9d807e63a92e615f167202dee8a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.742124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041284/publication.md
observed c1ea1a4e399a213626ebd29497f82ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.724368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041284/publication.txt
observed c6f744b05c0460db21fae87f85cf0cab...
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.