OpenTechnical

OT-2026-000080934

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000080934) never changes.

Identity and time

Publication numberOT-2026-000080934 · never reused
Internal UUID01a0ae96-b975-7fdf-a5ce-ce63983b5668 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080934
StatusPUBLIC

Content hashes

Canonical text0600dc2734da2555bb8f80408174ac3546a8b6cdf7b902fa44690f061ad24ed4
Markdown372d8bec0dcc884918f8b105da35db1ad5dc9cd9507c2d51de81c6aaa0a39bac
PDF
Publication page73f252e5333128e3746522ec867bb80b5e86b5777a759d75eb677683453504b8
Manifest63d52966bb78f7d71d24b8019fca27337afbbc785592b909e97898e464750a61

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
SignaturezhYETZ0x0IG3ItjL/AWE+sfh7UKk4yjm7mvq/CRNWeJq+znh2zXe2+ljCAAuKVwKbIk7WTQkJKou2TY3XMm4Bw==
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

2026-09-17T10:02:08.406788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080934
observed 73f252e5333128e3746522ec867bb80b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.390745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080934/manifest.json
observed 63d52966bb78f7d71d24b8019fca2733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.374381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080934/publication.md
observed 372d8bec0dcc884918f8b105da35db1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.357656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080934/publication.txt
observed 0600dc2734da2555bb8f80408174ac35...
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.