OpenTechnical

OT-2026-000036555

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000036555) never changes.

Identity and time

Publication numberOT-2026-000036555 · never reused
Internal UUID01a0ae77-46e7-7cc8-acf2-3da697198444 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036555
StatusPUBLIC

Content hashes

Canonical text504b95ec98476d55686b25592ec83982132efe80e03325d580d2e636af7c5bef
Markdown27f0039692ad4d0e15125061a54643bac1b03e9f7e5685db4193a6f4e2755ee2
PDF
Publication page046cce84158f68bd5ee8ef6919e82e178a57f912554924b60da24f23a6e2653d
Manifestce276eb88b9d5eda63fbaabae22243684f15e78df145dd37f7e310c6d6ca9433

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
Signature33b5Z2HEdrSfgCBRWXtPM4Kj7cAtMKdcMSlzWAuHMr8jO4mSAiPJsaC3iUgWaA193zBFhU1nL5Xfn3grSunxCw==
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

2026-09-17T11:25:46.471003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036555
observed 046cce84158f68bd5ee8ef6919e82e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:46.454979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036555/manifest.json
observed ce276eb88b9d5eda63fbaabae2224368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:46.438122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036555/publication.md
observed 27f0039692ad4d0e15125061a54643ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:46.421468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036555/publication.txt
observed 504b95ec98476d55686b25592ec83982...
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.