OpenTechnical

OT-2026-000008671

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, vented 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-2026-000008671) never changes.

Identity and time

Publication numberOT-2026-000008671 · never reused
Internal UUID01a0ae6a-e46b-71b4-bec0-256480c1c55e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008671
StatusPUBLIC

Content hashes

Canonical text17be3faafcf05b0b16189fe6cbff29f878c5a9d0cee11345e321ed71c0d6d993
Markdown8727d7cfbfb682d05f7803959f73990587f31c95350b25b6818f09e86c29c0e1
PDF
Publication pageaadafc8f50fcd80d93488e2402ca8370876b80ba8e6973ea4f220500fb47f0f3
Manifestc42f3092891c43d1ad4cbfaf6b6ed1e2cd6be1e5679e68635da30d069dc01334

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
SignaturevT3UikIELLv895ifGqTM1igLNuzgbh+RS0tBrleEARi05LXJauebEpRh3jG27X4u+qLqS3dWoSH8Xn+LGwtDAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:39.266448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008671
observed aadafc8f50fcd80d93488e2402ca8370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.248066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008671/manifest.json
observed c42f3092891c43d1ad4cbfaf6b6ed1e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.229140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008671/publication.md
observed 8727d7cfbfb682d05f7803959f739905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.206545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008671/publication.txt
observed 17be3faafcf05b0b16189fe6cbff29f8...
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.