OpenTechnical

OT-2026-000066883

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000066883) never changes.

Identity and time

Publication numberOT-2026-000066883 · never reused
Internal UUID01a0ae8f-14fd-70f4-907d-21c06dd01623 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066883
StatusPUBLIC

Content hashes

Canonical text54e2664822adcb23d32c2f0ab371c33d890224775c3da53cbec9652c59de15fc
Markdowndc20b2ef347785587e3dfc59cc77461a64fad40d5489e3702da0d1256ade6c7d
PDF
Publication page15deb9f74b7d5e613f98ac0e3ace9b0c35a28276f1190a25edab01787943717d
Manifestc9b33edeefe448b6fdb3627f62cf8e8369ee18fca29b9a205406f4ce526ccfbd

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
Signature7MAlh5p6tx+Te9hEQEnXC0/MOBNMrvIqOYQPYmLiGHr2/WTpzFranRJnyvyfLnjwhv+/4MWMmtYNGQv9csifBw==
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

2026-09-17T10:32:04.885326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066883
observed 15deb9f74b7d5e613f98ac0e3ace9b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:04.867319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066883/manifest.json
observed c9b33edeefe448b6fdb3627f62cf8e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:04.846876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066883/publication.md
observed dc20b2ef347785587e3dfc59cc77461a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:04.825851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066883/publication.txt
observed 54e2664822adcb23d32c2f0ab371c33d...
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.