OpenTechnical

OT-2026-000091546

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091546) never changes.

Identity and time

Publication numberOT-2026-000091546 · never reused
Internal UUID01a0ae9c-f16e-7fa5-b975-ad506fb0b3c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091546
StatusPUBLIC

Content hashes

Canonical text798c2b1179354fef1140c4d8928dd0f3bb14c58aec1a0098b6d7e6d7f2c20c25
Markdown3deb111073d3d8e3fe0bb54d0e881acd164a2f144836b188f2a49a0bad6349fe
PDF
Publication paged31a2dff061ec4e419d448a3cb0977fffc8aed338284f0efdd311c39c89dbc77
Manifest22b70a9d4e6ab991919c3689df36a303dd8b58c448eb4e9e72d3f908a20c0915

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
Signature5Usb1OABKR9A5+54n0ms1DChkMXnVSHV2nvOo8BPxtIBpiYHA1HIj8NS7ClnsS4PIln3k+SK08LgNBBn3+2yBA==
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

2026-09-17T09:43:48.910299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091546
observed d31a2dff061ec4e419d448a3cb0977ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.893274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091546/manifest.json
observed 22b70a9d4e6ab991919c3689df36a303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.874650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091546/publication.md
observed 3deb111073d3d8e3fe0bb54d0e881acd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.855290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091546/publication.txt
observed 798c2b1179354fef1140c4d8928dd0f3...
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.