OpenTechnical

OT-2026-000077885

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000077885) never changes.

Identity and time

Publication numberOT-2026-000077885 · never reused
Internal UUID01a0ae95-2ed1-787a-8681-9932639a536b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077885
StatusPUBLIC

Content hashes

Canonical text3be3b043d1b5a4a418c23f3c63809d51be27a89c86062e7078010651270a9915
Markdownce77cd34dffb3b1eacee32c4786cd9871db4c5689a54eb28a864dfd7bb391223
PDF
Publication pageab85bc74c58d48ea9a5d2355b73c12a5313434552f636d0a9e4c8783de2f061f
Manifestcf469e730f6fadc98cf525b034bc28300f3c59598b9b912bf1d24c22037819bf

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
SignaturelP4HW6M0GPPj2+WkNKHRp+FTzKJgUSnuAQTrA7r/yVKYj2OsfqrYzfIbHPvfIHm5BQpy2zTMKQgpnfbcYVjuAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:37.791448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077885
observed ab85bc74c58d48ea9a5d2355b73c12a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.772090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077885/manifest.json
observed cf469e730f6fadc98cf525b034bc2830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.754390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077885/publication.md
observed ce77cd34dffb3b1eacee32c4786cd987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:37.735891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077885/publication.txt
observed 3be3b043d1b5a4a418c23f3c63809d51...
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.