OpenTechnical

OT-2026-000057915

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000057915) never changes.

Identity and time

Publication numberOT-2026-000057915 · never reused
Internal UUID01a0ae88-6ed9-77f3-8c32-ecd6de55dd59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057915
StatusPUBLIC

Content hashes

Canonical textab50cd2d6d449b250a0ace86ad511c8ad86d31bcd3fb0195da417b54315bff72
Markdown57cf94e1be9faaa5feea2fd1e359621b144deebb1a8db41fb828940b9d49a46c
PDF
Publication page33355f80dc5958678afeaf08d1c4eaefde48c9d55531427e86fa51a45fb6f463
Manifest9be631e0a51c727ea4df0faa474b81075230c3ec0977b117364fd584d4c42a69

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
SignatureJi51V6jpzZEdqZlsnXYAWV8LKsjE6HSNmfPULN6ELwL4FibJ6uZnIwlolTVI3GKOEBO0fcFL7pgKHQkWZRSRBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:31.449203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057915
observed 33355f80dc5958678afeaf08d1c4eaef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.428306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057915/manifest.json
observed 9be631e0a51c727ea4df0faa474b8107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.409784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057915/publication.md
observed 57cf94e1be9faaa5feea2fd1e359621b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.391509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057915/publication.txt
observed ab50cd2d6d449b250a0ace86ad511c8a...
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.