OpenTechnical

OT-2026-000060056

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, sustained blow-off after 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-2026-000060056) never changes.

Identity and time

Publication numberOT-2026-000060056 · never reused
Internal UUID01a0ae8a-5a70-7a99-9653-8ce34a463c8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060056
StatusPUBLIC

Content hashes

Canonical text85bdfa530ddf2889ac54f0f40c2c4dee7e8a76b86b7c9a49bb3cfeae8f586301
Markdown38ba1722e3209f6f7f7deb16aebd9a6d1a2cc62912bffe465bcf253c0b8ef5de
PDF
Publication page87a7cf6e6110ef920109d6b9c5547624a8a40501e3ec72d1d5c29e2b4847cf9d
Manifest0adea4fda06d891dff37f00b2b72962d59672660ff8a75830c0e15f46bd46907

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
SignatureHXsWKWFyrgk4VQhOWdxvyHN3KGtxHznmUqIMdR5ySuuptefys6kJUWyhtivRw4JlHypwcNM/KJZMcut/3Z2zDw==
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

2026-09-17T10:43:40.866921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060056
observed 87a7cf6e6110ef920109d6b9c5547624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:40.849357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060056/manifest.json
observed 0adea4fda06d891dff37f00b2b72962d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:40.831569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060056/publication.md
observed 38ba1722e3209f6f7f7deb16aebd9a6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:40.814010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060056/publication.txt
observed 85bdfa530ddf2889ac54f0f40c2c4dee...
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.