OpenTechnical

OT-2026-000023174

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, sustained 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-2026-000023174) never changes.

Identity and time

Publication numberOT-2026-000023174 · never reused
Internal UUID01a0ae70-7267-70bd-a378-2a3d3c2410c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023174
StatusPUBLIC

Content hashes

Canonical text0c0609bd8fe093f979b007984d6cbbe1ea999e3287b3773d4356487a69798fa6
Markdown6709270faef2408876a7d8bb5724ac3f271918c9404061be36932b66e947d66f
PDF
Publication page1911693e2d4c1c8657a2a9d24119585dc6d58f93d3b5d63956ca89435b1ea3b3
Manifest37ff5bd764f874e2ecb7c3c9a63bfcfbf892aebf9f9cc8eaa70ef33f49e0579b

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
SignaturepNXGvE/87UfKZz9dOxSmC76WotkAI5oeLboC6GzhLZtcatb9s6elLo/Dt47A4XP+HXuzKL7UkAScPz8e+kBrCQ==
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

2026-09-17T11:51:07.156123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023174
observed 1911693e2d4c1c8657a2a9d24119585d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.138537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023174/manifest.json
observed 37ff5bd764f874e2ecb7c3c9a63bfcfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.121096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023174/publication.md
observed 6709270faef2408876a7d8bb5724ac3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.102190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023174/publication.txt
observed 0c0609bd8fe093f979b007984d6cbbe1...
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.