OpenTechnical

OT-2026-000103117

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, pulsed 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-2026-000103117) never changes.

Identity and time

Publication numberOT-2026-000103117 · never reused
Internal UUID01a0aea4-be3e-7aaf-ad86-e5f8d1947462 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103117
StatusPUBLIC

Content hashes

Canonical text59007502f84f877e63ec6f71efb3ed76580f247bb2c5900978011c078553853a
Markdownb327a034c99436e7c73eb02019564587fa95dfe0b66f19e65fb7df46b9900ce0
PDF
Publication paged807a1b248a830be774d9bca62829f97e36a7ab039a640d4b7960eefa57e77cd
Manifest61464ccd337c170502426b75c9f1f4acd1758a1b4e8bb50eca6ad606788c4854

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
SignatureMBimN4V8lM/H4hB8BpDZ85Klx/RazlieYgRZx3Eg8AJtN9MwBoN45JkdFajbPwc6wwD21IXgoloMWtUVCUp1Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:14.951752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103117
observed d807a1b248a830be774d9bca62829f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:14.934875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103117/manifest.json
observed 61464ccd337c170502426b75c9f1f4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:14.917310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103117/publication.md
observed b327a034c99436e7c73eb02019564587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:14.899756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103117/publication.txt
observed 59007502f84f877e63ec6f71efb3ed76...
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.