OpenTechnical

OT-2026-000043883

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000043883) never changes.

Identity and time

Publication numberOT-2026-000043883 · never reused
Internal UUID01a0ae7b-d677-76ea-99d1-49c75ecd2a20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043883
StatusPUBLIC

Content hashes

Canonical textc11dcda2b1e109a322d4459bc9512b4e3f0ec85c319e415dd2e6e6aacd37b7ee
Markdowna99b6827cff78e6964edd643770d851d669a027a06f7b90c287568a34b54812e
PDF
Publication pagecb439e2e041efbcabe1b1b5a4a43083bbcf68a666c4e9fa129a12fb5e424dc9d
Manifest61d955174ccb231f4fb345f62fd2c4b6aa9581b2db914d8d26800c46f04016b6

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
SignatureoRSnGWe0x3ZfxQ8V0B3Wq1hGbrtLo0LPOo/q2VHmCvpzt0W984HExh1h0dl+iQtLXdxrVu+qls1BLfioO39BAw==
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

2026-09-17T11:12:12.840749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043883
observed cb439e2e041efbcabe1b1b5a4a43083b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:12.821531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043883/manifest.json
observed 61d955174ccb231f4fb345f62fd2c4b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:12.800934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043883/publication.md
observed a99b6827cff78e6964edd643770d851d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:12.781486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043883/publication.txt
observed c11dcda2b1e109a322d4459bc9512b4e...
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.