OpenTechnical

OT-2026-000050123

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000050123) never changes.

Identity and time

Publication numberOT-2026-000050123 · never reused
Internal UUID01a0ae81-fd79-7b37-adf4-e5b0b13ee340 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050123
StatusPUBLIC

Content hashes

Canonical text0cb1cf316fe279ac6c3b1088aa9b58b365c459f8cf0f2cce52e608d1e33d8554
Markdown4a9da5b44c1ac4629ec365205f7f27f9e26a8941d016dfd689d676e17188fd7c
PDF
Publication page6809a0c8ae9c8268154c0f6086bc29dd6a50a5fa39d610e187729ec2bedbbac4
Manifesta7acf020197517be2a7ccbdd0508241b05c55591385b26477e82231b8077a76c

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
SignatureaMr/khskwQgaqixW3vaABRjOh+TKftxClDbZvjNjeaZR0127eErDG4BveKzHKsOECakRq2taNlhyTR+UFxlhBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:07.788436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050123
observed 6809a0c8ae9c8268154c0f6086bc29dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.769682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050123/manifest.json
observed a7acf020197517be2a7ccbdd0508241b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.749780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050123/publication.md
observed 4a9da5b44c1ac4629ec365205f7f27f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:07.727882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050123/publication.txt
observed 0cb1cf316fe279ac6c3b1088aa9b58b3...
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.