OpenTechnical

OT-2026-000103717

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two 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-2026-000103717) never changes.

Identity and time

Publication numberOT-2026-000103717 · never reused
Internal UUID01a0aea4-e462-7d28-be1e-8e8a070a51a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103717
StatusPUBLIC

Content hashes

Canonical textc06307e9fda4b4c69b81208ed18052b690eba4d3c8511a2881110cc71c51f164
Markdown85e9914b6f72ec4319ec5a341fbe6f90d6d5921529210847966f0f2f067530a4
PDF
Publication page370fc1231b1ca0af1f024c89ff410bfe025c10bb6143422b504a7ad292089824
Manifestd44a0e08be97c0ca3aab71c273d5fe878a2ff0f59cad2bf1fc25ca7432dd4f6d

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
SignaturexKUnmxPNvLf6bykBTC7ahKtJ/d99Q5NlgtxnlmP/1FSPCl9fKucir42b+BTYRfc1ivLGH+iWpcaZW3I1LL5XAQ==
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

2026-09-17T09:22:31.839367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103717
observed 370fc1231b1ca0af1f024c89ff410bfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:31.822595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103717/manifest.json
observed d44a0e08be97c0ca3aab71c273d5fe87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:31.805302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103717/publication.md
observed 85e9914b6f72ec4319ec5a341fbe6f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:31.787478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103717/publication.txt
observed c06307e9fda4b4c69b81208ed18052b6...
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.