OpenTechnical

OT-2026-000047583

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000047583) never changes.

Identity and time

Publication numberOT-2026-000047583 · never reused
Internal UUID01a0ae7f-3e59-7e6b-8624-b59ba90d6d8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047583
StatusPUBLIC

Content hashes

Canonical text399136dc4891a52dd02aa09b202892c0c6ece066393dae9873ee2fa40f8a2600
Markdown985570f6ef26ce4da57a67a11c4c44c97c1ac5e1ed7bbe01bacb04d493605b53
PDF
Publication page033d4b4f7dd5db0c19fe6dcfb1d1b8dfb269741d8e37bcc34f49491691858a6e
Manifestd7dce385c10e47adff595e9c3b084a8600b9cdd19add17a99340021129879858

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
Signature1+0WHA5wXC8IrnOtwulmow+Bpw7YprGxjhgsNmlBqyzMSWa2OCnYkU3v+LqqBU08o8jyqid8hhyBNTFI9KnADg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:42.830048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047583
observed 033d4b4f7dd5db0c19fe6dcfb1d1b8df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.813474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047583/manifest.json
observed d7dce385c10e47adff595e9c3b084a86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.796978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047583/publication.md
observed 985570f6ef26ce4da57a67a11c4c44c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.779481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047583/publication.txt
observed 399136dc4891a52dd02aa09b202892c0...
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.