OpenTechnical

OT-2026-000067622

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000067622) never changes.

Identity and time

Publication numberOT-2026-000067622 · never reused
Internal UUID01a0ae8f-6bda-7fe4-ab22-7facfc7bd46e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067622
StatusPUBLIC

Content hashes

Canonical text43bfed09fa58d2cbcd43537ee181524dba620e0259770ae9bc02ab15e362a306
Markdownd185b5c1e5f5f4dce6132644f9a7460f53a145179227bf6200b180fa792760a6
PDF
Publication pageb48f09f01995261c7fd5eaf3dfd0c8f182a2341a1590bcce7116a42220a8c23a
Manifest57294cc02b0cef097f7ec349dc223f60b1f1aba5521bbce4ac5ee19f3f6aa4f0

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
Signature5rKhTSYYTRTVVZUkGEct3kftWVE2y3/tHPtD3PxiAIE/mBf1j1RgyjW5z90EhY0PEKN4ivPVyB3RzTqV1EAkBw==
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

2026-09-17T10:31:56.634178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067622
observed b48f09f01995261c7fd5eaf3dfd0c8f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.617639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067622/manifest.json
observed 57294cc02b0cef097f7ec349dc223f60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.602163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067622/publication.md
observed d185b5c1e5f5f4dce6132644f9a7460f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.585296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067622/publication.txt
observed 43bfed09fa58d2cbcd43537ee181524d...
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.