OpenTechnical

OT-2026-000091859

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two 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-2026-000091859) never changes.

Identity and time

Publication numberOT-2026-000091859 · never reused
Internal UUID01a0ae9d-43ba-7f91-b5d2-26d5be0e4b80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091859
StatusPUBLIC

Content hashes

Canonical text958ac290df9a5d68e4acc4cf09f18ea03307c637ceb90e6c2fbb07f0262b5bcc
Markdown69742a82a33db8668b0bd4dcd512eebe181b96cf6a14c5ac00f461ae16dd8c1a
PDF
Publication pagee8a9b522e21cebadbb9307ab0ec89de458ea75c8e807c089094b70542a7ae712
Manifest209b04eded98e3d802430182ac4aa074e0534ff53d592bfad217eb74c506964f

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
SignaturefTchbnxAU8gLz+k5ACZdlFX7vsIBEeS+sMmXjLETmqqLf77BtHGQBHQeLaWCvgaxLbO3BoucxUr1R+sDDt5IDQ==
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

2026-09-17T09:42:47.036620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091859
observed e8a9b522e21cebadbb9307ab0ec89de4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.020622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091859/manifest.json
observed 209b04eded98e3d802430182ac4aa074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.003768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091859/publication.md
observed 69742a82a33db8668b0bd4dcd512eebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.985655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091859/publication.txt
observed 958ac290df9a5d68e4acc4cf09f18ea0...
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.