OpenTechnical

OT-2026-000104106

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000104106) never changes.

Identity and time

Publication numberOT-2026-000104106 · never reused
Internal UUID01a0aea5-341f-70f3-9a1d-7cac67eef930 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104106
StatusPUBLIC

Content hashes

Canonical textbf11bd3787e399a9f88fe7bb50b383fe2f368ddbc7518442ab4d677c3cb1e88a
Markdown70d89b095076e1947e9900f259697f0d12eefbff06d0f2382633f9323fa3fc3e
PDF
Publication page3f30d66b4474db3c17f1538112b37d93a03f5470a21087a65c67dab6cc29c50a
Manifestd6e61a2d135db4e642f38c91c85f3d0689345e6750c6046f1e7edfdb546a848e

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
SignaturealjAJMIHKMi5I8+hYjhuwIRU5WIzpUaJ1FtKsYCBcBh5Z9Dd+PGAeDOQrBtXr1ZRdOW4g0p0Jp2F8swL9OUyCA==
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

2026-09-17T09:20:10.826543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104106
observed 3f30d66b4474db3c17f1538112b37d93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.809938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104106/manifest.json
observed d6e61a2d135db4e642f38c91c85f3d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.791627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104106/publication.md
observed 70d89b095076e1947e9900f259697f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.774220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104106/publication.txt
observed bf11bd3787e399a9f88fe7bb50b383fe...
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.