OpenTechnical

OT-2026-000071465

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000071465) never changes.

Identity and time

Publication numberOT-2026-000071465 · never reused
Internal UUID01a0ae91-e0ed-78e3-b063-0d2564fbe4f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071465
StatusPUBLIC

Content hashes

Canonical textdb20c740a7968b6bbdac7d2a8521487a319bd9f8639a712f252e797fcf1b93e5
Markdown192ca99d859e8d49ae97e5c500f9b0926ae1318427fac0b7eacd6adc3706003f
PDF
Publication page4e462f620e86808017ff0c7e26e43599c573c55e4b2a2d199f1482d20efb336e
Manifest49c48143bff2b40e9974d7b277e98ecfa8094408312f73eeb680df05272cf45f

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
Signaturewmgc+ygsaz1bSkah0lBFHQJUxCtNlm49Vkbdeb/nQ6TFvTj4N7nqAQVMx5vWs6d1BxrJSo2bKghRKvesLBhMDw==
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

2026-09-17T10:25:06.410720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071465
observed 4e462f620e86808017ff0c7e26e43599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.394675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071465/manifest.json
observed 49c48143bff2b40e9974d7b277e98ecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.378173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071465/publication.md
observed 192ca99d859e8d49ae97e5c500f9b092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:06.354757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071465/publication.txt
observed db20c740a7968b6bbdac7d2a8521487a...
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.