OpenTechnical

OT-2026-000091328

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000091328) never changes.

Identity and time

Publication numberOT-2026-000091328 · never reused
Internal UUID01a0ae9c-f16c-782c-9f3a-297fdb6fab8a · 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-2026-000091328
StatusPUBLIC

Content hashes

Canonical textc0b2a2a5bde3f30097a880cd543a1c8ef2f6279f2fa89689a69496e23cfd8cb3
Markdown8e5ef9a9e4041001eb1f9bf96eaa226cbc04b475bf60a60040cd463aa746b17f
PDF
Publication pagea4c1a3a2d18fb67ba97da911da04ae7c8fe5e04a7d49ab801d7d1235f97dd6b6
Manifest7b2885a84a55f778910c799c8eb05f5d095a297a58b0bced03d68184aa831162

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
SignaturetDNY1k0Q1Yp894xA56nh6st30pZOeJqvqK5WCXnaUXjraFPRhVlP5rcCdqJxe+Ot8DRT8ARCxdSiBNGSPad4BQ==
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

2026-09-17T09:43:31.984893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091328
observed a4c1a3a2d18fb67ba97da911da04ae7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.963618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091328/manifest.json
observed 7b2885a84a55f778910c799c8eb05f5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.946401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091328/publication.md
observed 8e5ef9a9e4041001eb1f9bf96eaa226c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.928264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091328/publication.txt
observed c0b2a2a5bde3f30097a880cd543a1c8e...
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.