OpenTechnical

OT-2026-000077563

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000077563) never changes.

Identity and time

Publication numberOT-2026-000077563 · never reused
Internal UUID01a0ae95-2ece-7bd9-8859-1f79609b575e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077563
StatusPUBLIC

Content hashes

Canonical text24bcc7cddda94c482fa464b08aa7ee8e85a5a331b893ddc895245b65b28e986b
Markdownab67b04f0efa6f7c364530f8fb1b2c12d1429e30c2159acb8fa34ccae81abdbd
PDF
Publication page23f3f75f724ecc7b8358a24527a1b7d08c4e5e482b1c35db501cea7f7e03c5c4
Manifest0c4b2c6cbd43cb1d6b349b07ad1b3b149798f3769f831f787eef6608b5ad726a

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
SignaturewL2THeFT7cZkLUxwGTFQg7iVIDAJ6O/u0V8rpbvZlyLHUQ4gDujqYLTM8TfDDGb/NFfXp1urfAdwpFbDAmR8CA==
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

2026-09-17T10:07:02.554798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077563
observed 23f3f75f724ecc7b8358a24527a1b7d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:02.536937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077563/manifest.json
observed 0c4b2c6cbd43cb1d6b349b07ad1b3b14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:02.518841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077563/publication.md
observed ab67b04f0efa6f7c364530f8fb1b2c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:02.499296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077563/publication.txt
observed 24bcc7cddda94c482fa464b08aa7ee8e...
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.