OpenTechnical

OT-2026-000055025

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000055025) never changes.

Identity and time

Publication numberOT-2026-000055025 · never reused
Internal UUID01a0ae86-5e81-7a90-ba2b-09166611c57f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055025
StatusPUBLIC

Content hashes

Canonical textfba55a51fc17b2d4d0432d63c2c53682d8730166ddf79e8038ae6464af1b9d27
Markdown15a9e209c30d89c9476e8d5dd430bcfc000f559b86fc253da49b9b611296b541
PDF
Publication page1ed2f0d44e42aea7b59380823fc24fad3d5e0d7ecc24724e87e5fa5b6289432b
Manifest119917ecc086a9366ce855ca029376dc147b1cec2fa77598dd6a9a8613d42a2e

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
SignatureZRxuqNjfT4tGvCVKFVh/1ggiZ0+Zp/J/f4QAYujj+VKGMSRTmxaCrd/2UxEybSr97ynh4kE9VHN5KqI94hHGDA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:09.732474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055025
observed 1ed2f0d44e42aea7b59380823fc24fad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:09.716113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055025/manifest.json
observed 119917ecc086a9366ce855ca029376dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:09.699161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055025/publication.md
observed 15a9e209c30d89c9476e8d5dd430bcfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:09.680053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055025/publication.txt
observed fba55a51fc17b2d4d0432d63c2c53682...
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.