OpenTechnical

OT-2026-000085583

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, 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-2026-000085583) never changes.

Identity and time

Publication numberOT-2026-000085583 · never reused
Internal UUID01a0ae99-aaac-7e20-beb7-7489b0a8c2e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085583
StatusPUBLIC

Content hashes

Canonical textb9c4a441ed2d80b8dd05e7466ed4307a2c7a7d519c1f235b86ef6531ea460782
Markdown983b7758c0f45df1bae4a81eeea1218df2cf22e7da8b7315fe97bcf474020b69
PDF
Publication page0e907016bd8b645628b9ae8955ec893c774c07aa57e3bd836518231af5e0d00e
Manifest5fb20833d117a2c71bf3bfffad4769cb64863f0b7c9b878290ac0e10c5a20a32

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
SignatureGfDOF5YHCJLtfYx3GGh5egpa3/UDqy5fcHw7mYBhyfDuqtIjYd+SRI9NQrGeH6p1LO8/EIfXgYws5knvyK9sDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:27.257251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085583
observed 0e907016bd8b645628b9ae8955ec893c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.236780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085583/manifest.json
observed 5fb20833d117a2c71bf3bfffad4769cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.217297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085583/publication.md
observed 983b7758c0f45df1bae4a81eeea1218d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:27.197847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085583/publication.txt
observed b9c4a441ed2d80b8dd05e7466ed4307a...
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.